CN221204802U - Telescopic locking structure and telescopic bed - Google Patents

Abstract

The utility model discloses a telescopic locking structure and a telescopic bed, comprising: the fixed assembly is positioned on the first connecting rod; the locking assembly is arranged on the fixing assembly and comprises a button, an elastic part and locking positioning parts, the button is rotationally arranged on the fixing assembly through a rotating part, and the elastic part and the locking positioning parts are arranged on the button and are positioned on two sides of the rotating part; the elastic part is suitable for driving the locking and positioning part to tilt when being pressed, and is suitable for driving the locking and positioning part to be inserted into the lock pin positioning holes of the first connecting rod and the second connecting rod when not being pressed. When the first connecting rod and the second connecting rod are required to be locked and unlocked, the elastic part can be directly pressed, so that the expansion and the positioning between the first connecting rod and the second connecting rod are more convenient, and the expansion and the positioning between the first connecting rod and the second connecting rod do not need to adopt extra tools, thereby saving time and labor.

Description

Telescopic locking structure and telescopic bed

Technical Field

The utility model relates to the technical field of furniture articles, in particular to a telescopic locking structure and a telescopic bed.

Background

The crib refers to a bed used for infants. Along with the continuous improvement of living standard, the functional requirements of people on the crib are also higher and higher. The existing cribs are various, but basically have large overall size and occupy space when being placed indoors.

In order to solve the problem of occupying indoor space, a baby crib capable of stretching out and drawing back appears on the market, but the telescopic rods of the existing baby crib are locked and positioned by adopting structures such as bolts. When the crib needs to stretch out and draw back, the special tool is needed to be used for unscrewing the bolts to stretch out and draw back, so that the operation is very inconvenient, and time and labor are wasted.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the prior telescopic rods of the crib are locked and positioned by adopting structures such as bolts and the like, so that the operation is inconvenient, time and labor are wasted when the crib stretches, and therefore, the telescopic locking structure and the telescopic crib are provided.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

A telescoping locking structure comprising:

the fixing assembly is positioned on the first connecting rod and is suitable for providing an installation position for the locking assembly;

The locking assembly is arranged on the fixing assembly and comprises a button, an elastic part and locking positioning parts, wherein the button is rotatably arranged on the fixing assembly through a rotating part, and the elastic part and the locking positioning parts are arranged on the button and are positioned on two sides of the rotating part; the elastic part is suitable for driving the locking and positioning part to tilt when being pressed so as to enable the locking and positioning part to be separated from the locking pin positioning holes of the first connecting rod and the second connecting rod, and is suitable for driving the locking and positioning part to be inserted into the locking pin positioning holes of the first connecting rod and the second connecting rod when not being pressed so as to enable the first connecting rod and the second connecting rod to be locked.

Further optimizing technical scheme, fixed subassembly includes:

the fixed part is sleeved on the first connecting rod, a button positioning hole is formed in the fixed part, and the button is arranged inside the button positioning hole in a rotating mode through the rotating part.

Further optimizing the technical scheme, the locking subassembly includes:

The button is arranged inside the button positioning hole through rotation of the rotating part, and the elastic part and the locking positioning part are positioned at two sides of the rotating part.

Further optimizing technical scheme, the elasticity portion includes:

One end of the pressure spring is connected with the button, and the other end of the pressure spring is connected with the outer side wall of the first connecting rod.

According to the technical scheme, the press button is provided with a pressure spring mounting groove, and the pressure spring is arranged in the pressure spring mounting groove.

According to the technical scheme, the outer side wall of the button is provided with a pressing protrusion, and the position of the pressing protrusion corresponds to that of the pressure spring.

Further optimizing technical scheme, locking location portion includes:

The lock pin is positioned on the button and protrudes out of the button, and can be inserted into lock pin positioning holes on the first connecting rod and the second connecting rod.

Further optimizing technical scheme, fixed subassembly still includes:

The fixed end sleeve is positioned inside the first connecting rod, the end part of the fixed end sleeve extends out of the first connecting rod and is fixed with the fixing piece, and a first lock pin positioning hole which is suitable for the passage of the locking positioning part is formed in the fixed end sleeve.

According to the further optimized technical scheme, a first limiting ring plate is arranged at the end part of the fixing piece, a second limiting ring plate is arranged at the end part of the fixing end sleeve extending out of the first connecting rod, and the inner diameter of the first limiting ring plate is smaller than the outer diameter of the second limiting ring plate;

And/or

The fixing piece, the fixing end sleeve and the first connecting rod are locked and positioned through locking screws;

And/or

The outer side wall of the fixed end sleeve is provided with an elastic clamping bulge, the side wall of the first connecting rod is provided with a clamping hole, and the elastic clamping bulge is clamped in the clamping hole.

A telescoping bed comprising:

The bed frame is of a frame structure and is provided with at least one pair of telescopic rod assemblies which are parallel to each other; the telescopic rod assembly comprises a first connecting rod and a second connecting rod which is inserted in the first connecting rod in a sliding manner, and the first connecting rod and the second connecting rod are locked or unlocked through the telescopic locking structure; the first connecting rod is provided with a second lock pin positioning hole capable of enabling the locking positioning part to pass through, and a plurality of third lock pin positioning holes capable of enabling the locking positioning part to pass through are formed in the second connecting rod at intervals;

Support legs are arranged below the bedstead.

Further optimizing technical scheme, the tip of second connecting rod is provided with first spacing portion, the inside of first connecting rod is provided with the second spacing portion that is suitable for restricting the displacement position of first spacing portion, first spacing portion is suitable for in the inside slip of first connecting rod and restricts the displacement position of first connecting rod.

The technical scheme of the utility model has the following advantages:

1. According to the telescopic locking structure provided by the utility model, the elastic part and the locking positioning part are positioned at two sides of the rotating part, and the elastic part and the locking positioning part form a structure similar to a lever or a teeterboard, so that when the elastic part is pressed, the locking positioning part can be driven to move in opposite directions, and the control is very convenient. When the first connecting rod and the second connecting rod are required to be locked and unlocked, the elastic part can be directly pressed, so that the expansion and positioning between the first connecting rod and the second connecting rod are more convenient, and the expansion and positioning between the first connecting rod and the second connecting rod do not need to adopt additional tools, thereby saving time and labor.

2. According to the telescopic locking structure provided by the utility model, the elastic part comprises the pressure spring, the pressure spring can provide elastic force after being pressed, and when a user does not press the button any more, the button can automatically drive the lock pin to reset under the action of the elastic force of the pressure spring.

3. According to the telescopic locking structure provided by the utility model, the pressure spring mounting groove is formed in the button, the pressure spring is arranged in the pressure spring mounting groove, and the pressure spring mounting groove can play a limiting role on the pressure spring, so that the pressure spring is prevented from being popped out in the movement process.

4. According to the telescopic locking structure provided by the utility model, the arranged pressing protrusions play a role in increasing friction force, so that the pressing by operators is facilitated.

5. The locking positioning part comprises the lock pin, the lock pin is positioned on the button and protrudes out of the button, the lock pin can be inserted into the lock pin positioning holes on the first connecting rod and the second connecting rod, and the lock pin positioning holes on the first connecting rod and the second connecting rod can be used for carrying out inserting positioning, so that the locking and unlocking of the first connecting rod and the second connecting rod can be realized very conveniently.

6. According to the telescopic locking structure provided by the utility model, the fixing piece is positioned on the first connecting rod through the fixing end sleeve, and the fixing end sleeve is arranged so that the fixing piece and the first connecting rod can be detachably connected. After the fixed end sleeve is positioned inside the first connecting rod, the end part of the fixed end sleeve extends out of the first connecting rod, and then the fixing piece is fixed at the end part of the fixed end sleeve extending out of the first connecting rod, so that the fixing piece is positioned more conveniently, and an additional positioning structure is not required to be arranged outside the first connecting rod to position the first connecting rod.

7. According to the telescopic locking structure provided by the utility model, the elastic clamping protrusions are arranged on the outer side wall of the fixed end sleeve, the clamping holes are formed in the side wall of the first connecting rod, the fixed end sleeve is positioned through the elastic clamping protrusions and the clamping holes of the first connecting rod, and the connection strength between the fixed end sleeve and the first connecting rod is further enhanced.

8. The telescopic bed provided by the utility model can be applied to various scenes, for example, can be used as a baby bed and also can be used as a bed for adults, when the telescopic bed needs to be telescopic, the telescopic locking structure can be directly used for controlling the telescopic operation of the first connecting rod and the second connecting rod in the telescopic rod assembly, and when the telescopic operation is in place, the telescopic locking structure is used for locking and positioning the first connecting rod and the second connecting rod, so that the telescopic bed has a simple structure and is very convenient. When the telescopic bed is particularly used as a baby crib, children of different ages can be satisfied to use, and meanwhile, the occupied space is small.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of the telescopic locking mechanism of the present utility model in a locked state;

FIG. 2 is a cross-sectional view of the telescopic locking mechanism of the present utility model in an unlocked state;

FIG. 3 is a schematic view of a first view structure of the fastener of the present utility model;

FIG. 4 is a schematic view of a second view structure of the fastener of the present utility model;

FIG. 5 is a first view structural schematic diagram of the fixed end cap of the present utility model;

FIG. 6 is a schematic view of a second view of the fixed end cap of the present utility model;

FIG. 7 is a schematic view of the second connecting rod of the present utility model when being positioned inside the first connecting rod;

FIG. 8 is a schematic view of a first view structure of a first connecting rod according to the present utility model;

FIG. 9 is a schematic view of a second view structure of the first connecting rod of the present utility model;

FIG. 10 is a schematic view of the structure of the push button of the present utility model;

FIG. 11 is a schematic view of the telescopic bed of the present utility model in a deployed position;

FIG. 12 is a schematic view of the telescopic bed of the present utility model in a contracted position.

Reference numerals:

1. The telescopic locking structure comprises a telescopic locking structure 11, a locking assembly 111, a button 112, pins 113, a pressure spring 114, locking pins 115, a first pin positioning hole 116, a pressing protrusion 12, a fixing piece 121, a button positioning hole 123, a first limiting ring plate 125, a second pin positioning hole 126, a first locking hole 13, a fixing end sleeve 131, locking screws 132, a sliding protrusion 133, a second limiting ring plate 134, a limiting block 135, a second locking hole 136, a first locking pin positioning hole 137 and an elastic clamping protrusion;

2. The first connecting rod, 21, the second lock pin positioning hole, 23, the clamping hole, 24 and the third locking hole;

3. the second connecting rod, 31, the third lock pin positioning hole, 33 and the first limiting part;

4. a third connecting rod;

5. A fourth connecting rod;

6. A joint;

7. Support legs, 71, footpads.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Specific embodiments of the present utility model are described in detail below in connection with the telescopic locking arrangement of the first aspect of the present utility model.

It should be noted that, the telescopic locking structure of the first aspect of the present utility model is only a preferred embodiment of the present utility model, and the telescopic locking structure of the present utility model may be used with the telescopic locking structure of the first aspect of the present utility model, or other structures, and for convenience of explanation, the specific locking and unlocking process of the telescopic locking structure of the present utility model is described below by the telescopic locking structure of the first aspect of the present utility model.

An embodiment of a telescopic locking arrangement as shown in figures 1 to 10 comprises a securing assembly and a locking assembly 11. Wherein the fixing assembly is positioned on the first connecting rod 2 and adapted to provide a mounting location for the locking assembly 11. The locking assembly 11 is arranged on the fixing assembly, the locking assembly comprises a button 111, an elastic part and locking positioning parts, the button 111 is arranged on the fixing assembly through rotation of the rotating part, and the elastic part and the locking positioning parts are arranged on the button 111 and located on two sides of the rotating part. The elastic part is suitable for driving the locking and positioning part to tilt when being pressed so as to enable the locking and positioning part to be separated from the locking pin positioning holes of the first connecting rod 2 and the second connecting rod 3, and is suitable for driving the locking and positioning part to be inserted into the locking pin positioning holes of the first connecting rod 2 and the second connecting rod 3 when not being pressed so as to enable the first connecting rod 2 and the second connecting rod 3 to be locked. It should be noted that, the first connecting rod 2 and the second connecting rod 3 are hollow connecting rods.

In the present embodiment, the locking positioning portion is inserted into the inside of the first and second connection bars 2 and 3 or is disengaged from the inside of the first and second connection bars 2 and 3. The elastic part drives the locking and positioning part to be inserted into the first connecting rod 2 and the second connecting rod 3 or not so as to switch the locking state and unlocking state of the first connecting rod 2 and the second connecting rod 3.

In the above-mentioned telescopic locking structure 1, the elastic portion and the locking positioning portion are located at two sides of the rotating portion, and the elastic portion and the locking positioning portion form a structure similar to a lever or a seesaw, so that when the elastic portion is pressed, the locking positioning portion can be driven to move in opposite directions. The locking component is provided with a locking state and an unlocking state, and the locking component can be driven by the elastic part to perform plug-in movement, so that the switching of the locking state and the unlocking state is realized, and whether the first connecting rod 2 and the second connecting rod 3 can stretch or not is controlled. As shown in fig. 2, when the locking assembly is in a locked state, the locking positioning part is inserted into the first connecting rod 2 and the second connecting rod 3, so that the positioning of the first connecting rod 2 and the second connecting rod 3 is realized; as shown in fig. 1, when the locking assembly is in the unlocked state, the locking positioning portion is disengaged from the second connecting rod 3, so that the second connecting rod 3 can move telescopically relative to the first connecting rod 2. By adopting the telescopic locking structure, when the first connecting rod 2 and the second connecting rod 3 are required to be locked and unlocked, the locking can be directly performed through the elastic part, and the driving mode can be the mode of pressing the elastic part, so that the telescopic and positioning between the first connecting rod 2 and the second connecting rod 3 are more convenient, the telescopic and positioning between the first connecting rod 2 and the second connecting rod 3 do not need to adopt additional tools, and time and labor are saved.

In some embodiments, as shown in fig. 3 and 4, the securing assembly includes a securing member 12. The fixing member 12 is sleeved on the first connecting rod 2, a button positioning hole 121 is formed in the fixing member 12, and the button 111 is rotatably arranged in the button positioning hole 121 through a rotating part. In this embodiment, the specific structure of the fixing assembly is defined, and the fixing member 12 is a sleeve structure. The button positioning hole 121 is rectangular, and it should be noted that, in this embodiment, only one shape of the button positioning hole 121 is given, and the button positioning hole 121 in this embodiment may also be other shapes, which are not limited herein.

In some embodiments, the rotating portion is a pin 112, more specifically, a first pin positioning hole 115 is formed on the button 111, a second pin positioning hole 125 is formed on the fixing member 12, the pin 112 is disposed between the first pin positioning hole 115 and the second pin positioning hole 125, and the button 111 can rotate around the pin 112.

In some embodiments, the resilient portion is a push-type resilient portion that includes a compression spring 113. One end of the compression spring 113 is connected to the button 111, and the other end is connected to the outer side wall of the first connecting rod 2. In this embodiment, the "connection" may be either a fixed connection or an abutting connection.

In the present embodiment, in the locked state, the locking positioning portion is inserted inside the first connecting rod 2 and the second connecting rod 3, and the compression spring 113 is in a normal state at this time; when the unlocking is needed, the button 111 is pressed, the compression spring 113 can be extruded, the elastic part moves towards the direction close to the first connecting rod 2 and the second connecting rod 3, the locking and positioning part moves towards the direction far away from the first connecting rod 2 and the second connecting rod 3, the locking and positioning part slides out from the inside of the first connecting rod 2 and the second connecting rod 3, and the expansion and contraction adjustment between the first connecting rod 2 and the second connecting rod 3 can be performed. The compression spring 113 in this embodiment can provide an elastic force after being pressed, and thus when the hand does not press the button any more, the button 111 can automatically drive the lock pin to reset under the action of the elastic force of the compression spring.

In some embodiments, the button 111 is provided with a compression spring mounting groove, and the compression spring 113 is disposed inside the compression spring mounting groove. In this embodiment, the compression spring mounting groove provided can play a limiting role on the compression spring 113, preventing the compression spring 113 from being ejected to the outside during the movement process.

In some embodiments, as shown in fig. 10, a pressing protrusion 116 is provided on an outer sidewall of the button 111, and the pressing protrusion 116 corresponds to a position of the compression spring 113. In this embodiment, the pressing protrusion provided plays a role in increasing friction force, and is convenient for an operator to press.

In some embodiments, the locking detent includes a locking pin 114. The locking pin 114 is positioned on the button 111 and protrudes out of the button 111, and can be inserted into locking pin positioning holes on the first connecting rod 2 and the second connecting rod 3. In this embodiment, the button 111 is provided with a lock pin positioning groove, the lock pin 114 is fixed in the lock pin positioning groove by a fixing lock pin, and a part of the lock pin 114 extends out of the lock pin positioning groove. According to the embodiment, the locking pin is inserted into the locking pin positioning holes on the first connecting rod 2 and the second connecting rod 3, so that the locking and unlocking of the first connecting rod 2 and the second connecting rod 3 can be realized very conveniently. When the lock pin 114 is inserted and positioned in lock pin positioning holes of the first connecting rod 2 and the second connecting rod 3, locking positioning between the first connecting rod 2 and the second connecting rod 3 is realized; when the lock pin 114 slides out from the lock pin positioning holes of the first connecting rod 2 and the second connecting rod 3, the unlocking of the first connecting rod 2 and the second connecting rod 3 can be realized, and the second connecting rod 3 can be pulled to realize the expansion and contraction of the second connecting rod 3.

In some embodiments, button 111 is provided with a latch mounting hole into which latch 114 is secured by a rivet, and latch 114 extends from the latch mounting hole.

In some embodiments, as shown in fig. 5 and 6, the securing assembly further includes a securing end cap 13. The fixed end sleeve 13 is positioned inside the first connecting rod 2, and the end part extends out of the first connecting rod 2 and is fixed with the fixing piece 12, and the fixed end sleeve 13 is provided with a first lock pin positioning hole 136 which is suitable for the passage of the locking positioning part. In this embodiment, the fixing element 12 is positioned on the first connecting rod 2 by means of a fixing end cap 13, the fixing end cap 13 being provided to enable a detachable connection between the fixing element 12 and the first connecting rod 2. After the fixed end sleeve 13 is positioned inside the first connecting rod 2, the end part of the fixed end sleeve 13 extends out of the first connecting rod 2, and then the fixing piece 12 is fixed at the end part of the fixed end sleeve 13 extending out of the first connecting rod 2, so that the fixing piece 12 is positioned more conveniently, and an additional positioning structure is not required to be arranged outside the first connecting rod 2 to position the first connecting rod 2.

In some embodiments, the end of the fixing member 12 is provided with a first stop collar plate 123, the end of the fixing end cap 13 extending out of the first connecting rod 2 is provided with a second stop collar plate 133, and the inner diameter of the first stop collar plate 123 is smaller than the outer diameter of the second stop collar plate 133. In this embodiment, the fixing member 12 is sleeved on the periphery of the fixing end sleeve 13, the fixing member 12 can slide along the fixing end sleeve 13, and when the first limiting ring plate 123 of the fixing member 12 slides to a position contacting the second limiting ring plate 133 of the fixing end sleeve 13, the first limiting ring plate 123 is limited by the second limiting ring plate 133, and at this time, the fixing member 12 and the fixing end sleeve 13 can be locked and positioned.

In some embodiments, the first stop collar plate 123 of the fixing member 12 is provided with a stop groove. The second limiting ring plate 133 of the fixed end sleeve 13 is provided with a limiting block 134, and the limiting block 134 can be clamped in the limiting groove and limited by the limiting groove.

In some embodiments, locking positioning is performed between the fixing member 12, the fixing end cap 13 and the first connecting rod 2 by means of locking screws 131. More specifically, as shown in fig. 4, the fixing member 12 is provided with a first locking hole 126, the fixing end sleeve 13 is provided with a second locking hole 135, as shown in fig. 9, the first connecting rod 2 is provided with a third locking hole 24, and the locking screw 131 penetrates through the first locking hole 126, the second locking hole 135 and the third locking hole 24 to lock and position the fixing member 12, the fixing end sleeve 13 and the first connecting rod 2.

In some embodiments, the outer side wall of the fixed end sleeve 13 is provided with an elastic clamping protrusion 137, the side wall of the first connecting rod 2 is provided with a clamping hole 23, and the elastic clamping protrusion 137 is clamped in the clamping hole 23. In this embodiment, the fixing end cap 13 is further positioned by the elastic clamping protrusion 137 and the clamping hole 23 of the first connecting rod 2, so as to further enhance the connection strength between the fixing end cap 13 and the first connecting rod 2.

In some embodiments, at least one sliding protrusion 132 is provided on the outer sidewall of the fixed end cap 13, and a resilient snap protrusion 137 is located between two adjacent sliding protrusions 132. In this embodiment, when the fixed end cap 13 is inserted into the first connecting rod 2, the sliding protrusions 132 contact with the inner side wall of the first connecting rod 2, a gap is formed between two adjacent sliding protrusions 132 and the inner side wall of the first connecting rod 2, and the elastic clamping protrusions 137 are disposed at the gap, so that the elastic clamping protrusions 137 are pressed against the inner side wall of the first connecting rod 2, and when the elastic clamping protrusions 137 move to the position of the clamping holes 23, the elastic clamping protrusions 137 are clamped and positioned with the clamping holes 23 under the action of elastic force.

When the fixed end cap 13 needs to be detached from the first connecting rod 2, the locking screw 131 is first detached, the elastic clamping protrusion 137 is pressed, and the fixed end cap 13 is pulled at the same time, so that the fixed end cap 13 is separated from the first connecting rod 2 and the fixed end cap 13 and the fixing piece 12 can be detached from the first connecting rod 2.

Example 2

Specific embodiments of the present utility model are described in detail below in connection with the telescopic bed of the second aspect of the present utility model.

It should be noted that the telescopic bed according to the second aspect of the present utility model is only a preferred embodiment of the present utility model, and the telescopic bed according to the second aspect of the present utility model may be used in the telescopic bed according to the second aspect of the present utility model, or may be other structures, and for convenience of explanation, the specific structure and use process of the telescopic bed according to the second aspect of the present utility model will be described below.

An embodiment of a telescopic bed as shown in fig. 1 to 12 comprises a bed frame and support legs 7. The bed frame has a frame structure with at least one pair of telescopic rod assemblies parallel to each other. The telescopic rod assembly comprises a first connecting rod 2 and a second connecting rod 3 which is inserted in the first connecting rod 2 in a sliding manner, and the first connecting rod 2 and the second connecting rod 3 are locked or unlocked through the telescopic locking structure 1 in the embodiment 1; as shown in fig. 8, the first connecting rod 2 is provided with a second locking pin positioning hole 21 through which the locking positioning part passes, and the second connecting rod 3 is provided with a plurality of third locking pin positioning holes 31 at intervals through which the locking positioning part passes. The support legs 7 are arranged below the bed frame.

The telescopic bed can be applied to various scenes, for example, can be used as a baby bed, can also be used as an adult bed (as long as the supporting strength is met), can directly utilize the telescopic locking structure 1 to control the expansion of the first connecting rod 2 and the second connecting rod 3 in the telescopic rod assembly when the telescopic bed needs to expand and contract, and can lock and position the first connecting rod 2 and the second connecting rod 3 by utilizing the telescopic locking structure after expanding and contracting in place, and has simple structure and great convenience. When the telescopic bed is particularly used as a baby crib, children of different ages can be satisfied to use, and meanwhile, the occupied space is small.

In some embodiments, the end of the second connecting rod 3 is provided with a first limit part 33, the inside of the first connecting rod 2 is provided with a second limit part adapted to limit the movement position of the first limit part 33, and the first limit part 33 is adapted to slide inside the first connecting rod 2 and limit the movement position of the first connecting rod 2. In some specific embodiments, the second limiting portion is a fixed end cap 13 disposed inside the first connecting rod 2, that is, the outer diameter of the first limiting portion 33 is larger than the inner diameter of the fixed end cap 13 disposed inside the first connecting rod 2, and when the first limiting portion 33 moves to the end position of the fixed end cap 13, the first limiting portion is limited by the fixed end cap 13, so as to prevent the second connecting rod 3 from slipping due to excessive sliding.

In some embodiments, the bed frame comprises a pair of telescopic rod assemblies parallel to each other and a third connecting rod 4 and a fourth connecting rod 5, the third connecting rod 4 and the fourth connecting rod 5 being perpendicular to the telescopic rod assemblies, respectively, each of the telescopic rod assemblies comprising a first connecting rod 2 and a second connecting rod 3. Wherein, the first connecting rod 2 and the third connecting rod 4, the second connecting rod 3 and the fourth connecting rod 5 are connected respectively and are provided with the joint 6, the supporting leg 7 sets up on the joint 6, the bottom of supporting leg 7 still is provided with callus on the sole 71. In the embodiment, the bed frame of the telescopic bed forms a rectangular structure, and is not easy to deform.

The specific adjusting process of the utility model is as follows:

When the button 111 is manually pressed, the lock pin 114 is sprung up, and the lock between the first connecting rod 2 and the second connecting rod 3 is released, so that the first connecting rod and the second connecting rod can freely extend and retract. Because the second connecting rod 3 is provided with a plurality of third lock pin positioning holes 31, the lock pins 114 can be selectively positioned to the position of a certain third lock pin positioning hole 31 according to the requirement, the size adjustment function of the bedstead is achieved, and the telescopic bed is further provided with an unfolding position and a shrinking position. As shown in fig. 12, space is saved when the telescopic bed is in the contracted position; as shown in fig. 11, when the telescopic bed is in the unfolding position, the unfolding degree can be adjusted, so that the telescopic bed can be better suitable for adjustment requirements of different people.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A telescopic locking structure, comprising:

the fixing assembly is positioned on the first connecting rod (2) and is suitable for providing an installation position for the locking assembly (11);

The locking assembly (11) is arranged on the fixed assembly and comprises a button (111), an elastic part and locking positioning parts, wherein the button (111) is rotatably arranged on the fixed assembly through a rotating part, and the elastic part and the locking positioning parts are arranged on the button (111) and are positioned on two sides of the rotating part; the elastic part is suitable for driving the locking and positioning part to tilt when being pressed so as to enable the locking and positioning part to be separated from the locking pin positioning holes of the first connecting rod (2) and the second connecting rod (3), and is suitable for driving the locking and positioning part to be inserted into the locking pin positioning holes of the first connecting rod (2) and the second connecting rod (3) when not being pressed so as to enable the first connecting rod (2) and the second connecting rod (3) to be locked.

2. The telescoping locking arrangement of claim 1, wherein the securing assembly comprises:

The fixing piece (12) is sleeved on the first connecting rod (2), a button positioning hole (121) is formed in the fixing piece (12), and the button (111) is rotatably arranged in the button positioning hole (121) through the rotating part.

3. The telescopic locking structure according to claim 2, wherein the elastic portion includes:

And one end of the pressure spring (113) is connected with the button (111), and the other end of the pressure spring is connected with the outer side wall of the first connecting rod (2).

4. A telescopic locking structure according to claim 3, wherein the push button (111) is provided with a compression spring mounting groove, and the compression spring (113) is arranged inside the compression spring mounting groove.

5. A telescopic locking structure according to claim 3, characterized in that the outer side wall of the push button (111) is provided with a pressing protrusion, the position of which corresponds to the position of the compression spring (113).

6. The telescopic locking structure according to claim 1, wherein the locking positioning portion includes:

the lock pin (114) is positioned on the button (111) and protrudes out of the button (111), and can be inserted into lock pin positioning holes on the first connecting rod (2) and the second connecting rod (3).

7. The telescoping locking arrangement according to any one of claims 2-6, wherein the securing assembly further comprises:

The fixed end sleeve (13) is positioned inside the first connecting rod (2), the end part of the fixed end sleeve extends out of the first connecting rod (2) and is fixed with the fixing piece (12), and a first lock pin positioning hole (136) which is suitable for the passage of the locking positioning part is formed in the fixed end sleeve (13).

8. The telescopic locking structure according to claim 7, wherein a first stop collar plate (123) is provided at an end of the fixing member (12), a second stop collar plate (133) is provided at an end of the fixing end sleeve (13) extending out of the first connecting rod (2), and an inner diameter of the first stop collar plate (123) is smaller than an outer diameter of the second stop collar plate (133);

And/or

The fixing piece (12), the fixing end sleeve (13) and the first connecting rod (2) are locked and positioned through a locking screw (131);

And/or

An elastic clamping protrusion (137) is arranged on the outer side wall of the fixed end sleeve (13), a clamping hole (23) is formed in the side wall of the first connecting rod (2), and the elastic clamping protrusion (137) is clamped in the clamping hole (23).

9. A telescoping bed, comprising:

The bed frame is of a frame structure and is provided with at least one pair of telescopic rod assemblies which are parallel to each other; the telescopic rod assembly comprises a first connecting rod (2) and a second connecting rod (3) which is inserted into the first connecting rod (2) in a sliding manner, and the first connecting rod (2) and the second connecting rod (3) are locked or unlocked through the telescopic locking structure of any one of claims 1-8; the first connecting rod (2) is provided with a second lock pin positioning hole (21) which can enable the locking positioning part to pass through, and the second connecting rod (3) is provided with a plurality of third lock pin positioning holes (31) which can enable the locking positioning part to pass through at intervals;

And supporting legs (7) are arranged below the bedstead.

10. Telescopic bed according to claim 9, wherein the end of the second connecting rod (3) is provided with a first limit part (33), the interior of the first connecting rod (2) is provided with a second limit part adapted to limit the movement position of the first limit part (33), the first limit part (33) is adapted to slide inside the first connecting rod (2) and limit the movement position of the first connecting rod (2).