CN211582335U - Locking mechanism for camp bed frame and camp bed frame thereof - Google Patents

Abstract

The utility model provides a locking mechanical system for camp bed frame, which comprises a handle, ejector pin and clamping part, the middle part and the ejector pin of handle rotate to be connected, the top and at least partial clamping part of handle link to each other, the ejector pin is the hollow tube and opens its inside ejector pin through-hole of intercommunication on the pipe wall, the inside elastic pin that stretches out the ejector pin through-hole that is provided with the head of ejector pin, the handle has the opening cavity that holds the ejector pin, the lateral wall of opening cavity is opened the handle through-hole that the head card that has the elastic pin that supplies to stretch out outside the ejector pin is gone into, locking mechanical system is still including the button, this button movably sets up in the handle through-hole and can inwards promote the head of elastic. Because of the direction that the elastic pin offsets with the button is different with the rotation direction of handle, the elasticity of elastic pin need be overcome to the button, and locking mechanical system could the unblock, and locking structure is more stable, is difficult to the unblock when the handle is touched in the mistake. The utility model also discloses an use the bedstead that has above-mentioned locking mechanical system who is used for camp bed bedstead, similarly, the locking structure is more stable.

Description

Locking mechanism for camp bed frame and camp bed frame thereof

Technical Field

The utility model relates to a camp bed technical field, concretely relates to a locking mechanical system and bedstead for camp bed bedstead.

Background

Camp bed is generally through setting up the structure of being convenient for buckle or flexible, conveniently accomodates and uses.

For example, a chinese utility model patent having an application number of 201720622169.X (publication number CN207784761U) discloses a camp bed frame and a camp bed, which includes a support body and a fixing mechanism; the fixing mechanism comprises an adjusting part and a supporting rod; the supporting rod is used for fixing the mattress; the adjusting part is arranged on the supporting body; the supporting rod is fixed on the adjusting part; the adjusting part is used for adjusting the position of the supporting rod so as to stretch the mattress. The utility model discloses an in, come regulating part and supporter fixed through the cooperation of fixed arch and fixed recess (see section 0044), make fixed arch and fixed recess alternate segregation when touching the handle easily by mistake, locking structure is stable inadequately.

Also, for example, the chinese patent application "simple bed" with application No. CN201310520255.6 (publication No. CN103799754A) discloses a similar camp bed and structure, the simple bed includes a fabric having horizontal columns inserted into both ends of the fabric; a plurality of support bars for supporting a load in contact with the ground; and a plurality of connecting rods connected to both ends of each of the support rods and respectively having a clamp at an end of the plurality of connecting rods to receive the horizontal pole, wherein the clamp is open toward the outside. The clamp adjusting member in this document is used to pivot the clamp on the rotating shaft at a predetermined angle, but the specific structure of the clamp adjusting member is not specifically disclosed.

In summary, the locking mechanism for the bedstead of the camp bed and the bedstead applying the locking mechanism can be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that to prior art's current situation, provide a locking structure is more stable, is difficult to the locking mechanical system who is used for camp bed frame of unblock when touching the handle by mistake.

The second technical problem to be solved in the present invention is to provide a bed frame with the above locking mechanism for a camp bed frame.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a locking mechanical system for camp bed frame, includes handle, ejector pin and sets up on the ejector pin top and be used for the clamping part of centre gripping connecting rod, and the clamping part has the clamp mouth, and the middle part and the ejector pin of handle rotate to be connected, and the top of handle links to each other its characterized in that with at least partial clamping part: the ejector rod is a hollow tube, an ejector rod through hole communicated with the ejector rod through hole is formed in the tube wall, an elastic pin with a head extending out of the ejector rod through hole is arranged in the ejector rod, the handle is provided with an opening cavity for accommodating the ejector rod, the side wall of the opening cavity is provided with a handle through hole for allowing the head of the elastic pin extending out of the corresponding ejector rod to be clamped in, and the locking mechanism further comprises a button which is movably arranged in the handle through hole and can push the head of the elastic pin inwards to release locking.

For the purpose of firm locking and convenient operation, the handle through hole of the handle is provided with two push rod through holes which are arranged oppositely in front and back, the corresponding push rod through hole of the push rod is provided with two push rod through holes which are arranged oppositely in front and back, the head of the corresponding elastic pin is provided with two push buttons which are arranged oppositely in front and back, and the corresponding push button is provided with two push buttons which are arranged oppositely in front and back. Thus, through the action of the two buttons and the elastic pin, the locking is firmer; when the unlocking is needed, the thumb and the forefinger simultaneously act on the button inwards, and the operation is convenient.

The button can have various structures, and preferably comprises a cap and a middle sliding column; the cap is fixed at the outer end of the middle sliding column, the inner end of the middle sliding column penetrates through the fixing sleeve, the inner end of the middle sliding column is provided with a first boss which is matched with the limiting step surface of the fixing sleeve, and the fixing sleeve is embedded and fixed in the through hole of the handle. Like this, through the spacing step face cooperation of first boss with fixed cover, adjust the displacement of cap, compare the displacement through the flexible cap of controlling of spring, the utility model discloses stable in structure is difficult to the inefficacy.

The cap and the middle slide column can be connected in various ways, preferably, the middle part of the cap is provided with a through hole for the middle slide column to pass through, and the middle slide column is also provided with a second boss positioned outside the first boss and connected with the inner wall adjacent to the through hole.

The structure of the clamping part may be various, and preferably, the clamping part includes a fixed clamping part and a movable clamping part, the fixed clamping part is connected with the top end of the corresponding ejector rod and has an opening facing outward and upward, and the movable clamping part is connected with the handle and has an opening facing outward and downward. In the use process, the fixed clamping part can be abutted against the connecting rod to be installed firstly, then the movable clamping part is abutted against the connecting rod to be installed through rotating the handle, and the movable clamping part shifts the corresponding connecting rod to move outwards, so that the bed surface connected to the connecting rod is unfolded; in addition, compared with the clamping part designed in an integrated manner in the prior art, the whole clamping opening needs to be directly aligned with the supporting rod, and then the corresponding connecting rod is clamped into the clamping opening, so that the clamping opening is abraded more greatly, and the required force is also greater; when the locking mechanism is unlocked, the locking mechanism can be quickly disassembled.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides an use foretell locking mechanical system bedstead for camp bed bedstead which characterized in that: the connecting rod is connected between the front and rear supporting frames and is positioned on the left side and the right side; each support frame is U-shaped and is provided with a top rod positioned on the left side and a top rod positioned on the right side, and at least one top rod corresponds to the locking mechanism.

Compared with the prior art, the utility model has the advantages that: through setting up spring pin and button, the button movably sets up in this handle through-hole and can inwards promote the head of spring pin and relieve the locking, because of the direction that spring pin and button offset is different with the rotation direction of handle, the user need press the button inwards, after the button overcomes the elasticity of spring pin, locking mechanical system just unlocks, compare prior art fixed protruding can relatively easily separate with fixed recess when touching the handle by mistake, the utility model discloses a locking mechanical system's structure is relatively stable, is difficult to the unblock when touching the handle by mistake; in addition, the clamping part adopts a combined structure of the fixed clamping part and the movable clamping part, so that the clamping is more stable and reliable, and the connecting rod is not easy to fall off.

In addition, the bed frame to which the locking mechanism of the camp bed frame is applied has an advantage that the structure of the locking mechanism is stable.

Drawings

Fig. 1 is a perspective view of a support frame on which a locking mechanism for a bed frame of a camp bed according to an embodiment of the present invention is mounted;

FIG. 2 is a schematic view from another angle of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is another exploded view of FIG. 1;

fig. 5 is a schematic perspective view of an elastic pin according to an embodiment of the present invention;

fig. 6 is a longitudinal cross-sectional view of a locking mechanism in an embodiment of the invention (the locking mechanism is in a locked state);

fig. 7 is a longitudinal cross-sectional view of a locking mechanism in an embodiment of the invention (the locking mechanism is in an unlocked state);

fig. 8 is a schematic view of a bed frame according to an embodiment of the present invention (the fixed clamping portion and the movable clamping portion are opposite to each other);

FIG. 9 is a schematic view from another angle of FIG. 8 (the fixed clamp and the movable clamp are aligned);

fig. 10 is a schematic view showing another state of the bed frame according to the embodiment of the present invention (the fixed clamping portion and the movable clamping portion are away from each other);

FIG. 11 is a schematic view from another angle of FIG. 10;

FIG. 12 is a perspective view of the connecting base;

FIG. 13 is a schematic view from another angle of FIG. 12;

fig. 14 is an exploded view of a connecting rod in a bed frame according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 7, a preferred embodiment of a support frame to which a locking mechanism for a bed frame of a camp bed according to an embodiment of the present invention is mounted is shown. Fig. 8 to 14 are schematic views of bed frames corresponding to the lock mechanism 102. The locking mechanism 102 for the bedstead of the camp bed comprises main components such as a handle 1, a mandril 101, a clamping part 103, an elastic pin 4, a button 2, a fixed sleeve 3 and the like;

the middle part of the handle 1 is rotatably connected with the ejector rod 101, the top part of the handle 1 is connected with part of the clamping part 103, the handle 1 is provided with an opening cavity for accommodating the ejector rod 101, and the side wall of the opening cavity is provided with a handle through hole 11 for clamping the head part 41 of the elastic pin 4 extending out of the ejector rod 101;

the ejector rod 101 is a hollow tube, an ejector rod through hole 1011 communicated with the inside of the ejector rod 101 is formed in the tube wall of the ejector rod 101, the elastic pin 4 is arranged inside the ejector rod 101, and the head 41 of the elastic pin extends out of the ejector rod through hole 1011;

the clamping portion 103 is arranged at the top end of the top rod 101 and is used for clamping the connecting rod 200, the clamping portion 103 is provided with a clamping opening 103a, the clamping portion 103 can be integrally formed (such as the clamping portion 103 on the left side of fig. 1), the clamping portion 103 can also comprise a fixed clamping portion 1031 fixed with the top end of the top rod 101 and a movable clamping portion 1032 fixed with the top end of the handle 1 (such as the clamping portion 103 on the right side of fig. 1), the opening of the fixed clamping portion 1032 faces towards the outer side and the upward direction, and the opening of the movable clamping portion 1031 faces towards the outer side and;

the button 2 is movably arranged in the handle through hole 11 and can push the head part 41 of the elastic pin 4 inwards to release the locking;

preferably, for the locking firmness and for the operation convenience, the handle through hole 11 of the handle 1 has two and is arranged oppositely in front and back, the top rod through hole 1011 of the corresponding top rod 101 has two and is arranged oppositely in front and back, the head 41 of the corresponding elastic pin 4 has two and is arranged oppositely in front and back, and the corresponding button 2 has two and is arranged oppositely in front and back;

the push-button 2 comprises a cap 21 and an intermediate strut 22;

the cap 21 is fixed at the outer end of the middle sliding column 22, the cap 21 is provided with an open accommodating cavity and a through hole 211 (see fig. 4) penetrating through the accommodating cavity, and the outer wall of the handle through hole 11 of the handle 1 is positioned in the accommodating cavity of the cap 21 and is in sliding fit with the cap 21;

the inner end of the middle sliding column 22 passes through the fixing sleeve 3, the inner end of the middle sliding column 22 is provided with a first boss 221, the end of the middle sliding column 22 close to the outer side is provided with a second boss 222, and the second boss 222 is fixed with the inner wall of the cap 21 adjacent to the through hole 211 (see fig. 6 and 7); acting inwardly on cap 21 so that intermediate strut 22 pushes head 41 of elastic pin 4 inwardly;

the fixing sleeve 3 is embedded in a handle through hole 11 (see figure 4) of the handle 1; the limit step surface 32 (see fig. 6 and 7) of the fixed sleeve 3 is matched with the first boss 221 of the middle sliding column 22, and the head of the middle sliding column 22 and the head 41 of the elastic pin 4 both extend into the through hole 31 (see fig. 4) of the fixed sleeve 3.

The locking mechanism for the camp bed frame has the following use principle and working process:

referring to fig. 7, the cap 21 is forced inward to approach the right-side carrier rod 101, the cap 21 acts on the second boss 222 of the middle slide post 22 to move the middle slide post 22 inward, the middle slide post 22 pushes the head 41 of the elastic pin 4 in the right-side carrier rod 101 to disengage from the handle through hole 11 of the handle 1, so that the locking mechanism 102 is in an unlocked state, at this time, the handle 1 can rotate relative to the right-side carrier rod 101, and the movable clamping part 1031 located at the upper part of the handle 1 gradually approaches the fixed clamping part 1032;

referring to fig. 6, when the cap 21 is not forced inward, the head 41 of the elastic pin 4 can extend into the fixing sleeve 3 and push the middle sliding column 22 away from the right-side ejector rod 101, so that the locking mechanism 102 is in a locked state, and the handle 1 cannot rotate relative to the right-side ejector rod 101;

referring to fig. 10 and 11, the left clamping portion 103 is aligned with the left connecting rod 200, so that the left connecting rod 200 is clamped into the left clamping portion 103; then, the right clamping portion 103 is installed, the cap 21 is pressed inward, the cap 21 pushes the middle sliding column 22 to move inward, the middle sliding column 22 pushes the head 41 of the elastic pin 4 to move inward, so that the head 41 of the elastic pin 4 is far away from the through hole 31 of the fixed sleeve 3, the locking mechanism 102 is unlocked, the handle 1 is rotated (at this time, the elastic pin 4 is not limited by the handle 1 and returns to the state of extending outward out of the right ejector rod 101), and the movable clamping portion 1031 and the fixed clamping portion 1032 are far away from each other; abutting the movable half clamp 1031 against the right connecting rod 200 (see fig. 10, 11); then the handle 1 is rotated, in the rotating process of the handle 1, the guiding part 12 (see fig. 11) on the inner wall of the handle 1 can abut against the head part 41 of the elastic pin 4, the handle 1 continues to rotate, so that after the head part 41 of the elastic pin 4 retreats inwards into the ejector rod 101 on the right side, the head part 41 of the elastic pin 4 springs outwards again and extends into the through hole 31 of the fixed sleeve 3, the locking mechanism 102 is locked, in the process, the movable clamping part 1031 stirs the corresponding connecting rod 200 to move outwards, so that the fabric piece connected to the connecting rod 200 is unfolded, and the step of mounting the clamping part 103 on the right side onto the connecting rod 200 on the right side is completed; at this time, the left clamping portion 103 plays a role of supporting and clamping the left connecting rod 200, the right fixed clamping portion 1031 plays a role of supporting the right connecting rod 200, and the right movable clamping portion 1032 plays a role of clamping the right connecting rod 200.

Referring to fig. 8 to 14, a bed frame to which the above-described locking mechanism for a camp bed frame is applied is a preferred embodiment of the present embodiment. The bedstead comprises 3 support frames 100 and connecting rods 200, the support frames 100 are arranged at intervals in the front-back direction, the connecting rods 200 comprise left connecting rods 200 and right connecting rods 200 which are respectively connected between the front support frames 300 and the back support frames 300, each support frame 100 is U-shaped, each support frame 100 comprises a left ejector rod 101, a right ejector rod 101, a cross rod 105, a left connecting seat 104 for connecting the left ejector rod 101 with the cross rod 105, a right connecting seat 104 for connecting the right ejector rod 101 with the cross rod 105, a first elastic rope 300 and a first plug 400; in this embodiment, the right push rod 101 corresponds to the lock mechanism 102 described above;

the connecting base 104 is provided with a top rod jack 104a for inserting the top rod 101, a cross rod jack 104b for inserting the cross rod 105 and a plug jack 104c for inserting the first plug 400, the bottom of the connecting base 104 is relatively flat, the first elastic rope 300 penetrates through the cross rod 105 and the cross rod jack 104c of the corresponding connecting base 14, two ends of the first elastic rope 300 are respectively fixed on the corresponding first plugs 400, and each first plug 400 can plug the corresponding plug jack 104c of the connecting base 14;

specifically, each connecting rod 200 includes 4 hollow connecting segments 201, all the connecting segments 201 are connected by a second elastic rope 203 inserted therein, and two ends of the second elastic rope 203 are respectively fixed at two ends of the corresponding connecting rod 200 by second plugs 202.

The bed frame has the following working principle and using method:

assembling each support frame 100, connecting two connecting seats 104 through a cross rod 105, enabling a first elastic rope 300 to penetrate through the cross rod 105 and a cross rod jack 104b of the corresponding connecting seat 104, fixing two ends of the first elastic rope 300 on corresponding first plugs 400 respectively, and enabling each first plug 400 to plug a plug jack 104c of the corresponding connecting seat 104; the left ejector rod 101 is installed in the ejector rod insertion hole 104a of the left connecting seat 104, and the right ejector rod 101 is installed in the ejector rod insertion hole 104a of the left connecting seat 104;

then, the connecting rod 200 is installed; sequentially inserting and connecting the connecting sections 201;

then, each connecting rod 200 is arranged on a fabric sheet (not shown in the figure) with a connecting sleeve (not shown in the figure), each connecting rod 200 penetrates through the corresponding connecting sleeve to unfold the fabric sheet, and the fabric sheet forms a bed surface for supporting a user;

then, each support frame 100 is mounted on the connecting rod 200; inverting the fabric sheet, aligning the left clamping portion 103 with the left connecting rod 200, and clamping the left connecting rod 200 into the left clamping portion 103; then installing the right clamping part 103, and the concrete steps are the same as the using process of the locking mechanism 102;

finally, the supporting frame 100 and the fabric piece are turned over to be in a use state;

when the camp bed needs to be stored, the button 2 of the locking mechanism 102 is acted inwards to release the locking of the locking mechanism 102, so that the movable clamping part 1032 on the right side is separated from the connecting rod 200 on the right side, then the clamping part 103 on the left side is separated from the connecting rod 200 on the left side, and the connecting seat 104 of each supporting frame 100 is pulled outwards (see fig. 3), so that the corresponding connecting seat 104 and the corresponding top rod 101 can be bent towards the middle of the cross rod 105 under the action of the first elastic rope 300; the two adjacent connecting sections 201 are separated (see fig. 14), and under the action of the second elastic rope 203, each connecting rod 200 can be bent; and (5) stacking the fabric pieces in order.

Claims (6)

1. The utility model provides a locking mechanical system for camp bed frame, includes handle (1), ejector pin (101) and sets up clamping part (103) on ejector pin (101) top and be used for centre gripping connecting rod (200), and clamping part (103) have a clamp mouth (103a), and the middle part of handle (1) rotates with ejector pin (101) to be connected, and the top of handle (1) links to each other its characterized in that with at least partial clamping part (103): ejector pin (101) are the hollow tube and open on the pipe wall and have its inside ejector pin through-hole (1011) of intercommunication, ejector pin (101) inside is provided with head (41) and stretches out elastic pin (4) of ejector pin through-hole (1011), and handle (1) has the opening cavity that holds ejector pin (101), and the lateral wall of opening cavity is opened head (41) card income that has the elastic pin (4) outside confession and stretches out corresponding ejector pin (101), locking mechanical system is still including button (2), and this button (2) movably sets up in this handle through-hole (11) and can inwards promote head (41) of elastic pin (4) and remove the locking.

2. The locking mechanism for a camp bed frame as recited in claim 1, wherein: the handle through holes (11) of the handle (1) are provided with two and are arranged in a front-back opposite mode, the ejector rod through holes (1011) of the corresponding ejector rods (101) are provided with two and are arranged in a front-back opposite mode, the heads (41) of the corresponding elastic pins (4) are provided with two and are arranged in a front-back opposite mode, and the corresponding buttons (2) are provided with two and are arranged in a front-back opposite mode.

3. The locking mechanism for a camp bed frame as recited in claim 1, wherein: the button (2) comprises a cap (21) and an intermediate strut (22); the cap (21) is fixed at the outer end of the middle sliding column (22), the inner end of the middle sliding column (22) penetrates through the fixed sleeve (3), the inner end of the middle sliding column (22) is provided with a first boss (221) which is matched with a limiting step surface (32) of the fixed sleeve (3), and the fixed sleeve (3) is embedded and fixed in the handle through hole (11).

4. The locking mechanism for a camp bed frame as recited in claim 3, wherein: the middle part of the cap (21) is provided with a through hole (211) for the middle sliding column (22) to pass through, and the middle sliding column (22) is also provided with a second boss (222) positioned outside the first boss (221), and the second boss (222) is connected with the inner wall adjacent to the through hole (211).

5. The locking mechanism for a camp bed frame as claimed in any one of claims 1 to 4, wherein: the clamping part (103) comprises a fixed clamping part (1032) and a movable clamping part (1031), the fixed clamping part (1032) is connected with the top end of the corresponding ejector rod (101) and is opened towards the outer side and the upward direction, and the movable clamping part (1031) is connected with the handle (1) and is opened towards the outer side and the downward direction.

6. A bed base to which a locking mechanism for a camp bed base as claimed in any one of claims 1 to 5 is applied, characterized in that: the device comprises at least two support frames (100), a connecting rod (200) positioned on the left side and a connecting rod (200) positioned on the right side, which are connected between the front support frame and the rear support frame (100), and are arranged at intervals from front to back; each support frame (100) is U-shaped and is provided with a top rod (101) positioned on the left side and a top rod (101) positioned on the right side, and at least one top rod (101) corresponds to the locking mechanism (102).

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