CN212927306U

CN212927306U - Central lock and tent

Info

Publication number: CN212927306U
Application number: CN202021259627.6U
Authority: CN
Inventors: 袁春亮; 杨胜勇
Original assignee: Zhejiang Huiguan Leisure Products Co ltd
Current assignee: Zhejiang Huiguan Leisure Products Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-09
Anticipated expiration: 2030-07-01

Abstract

The utility model provides a central lock and tent. A center lock, comprising: a center pole having an upper end and a lower end; an upper connecting member disposed on the center rod; a lower connecting member detachably connected to a lower end portion of the center rod; and a locking mechanism for locking the center rod and the lower connecting member to each other; wherein the locking mechanism has a locked state and an unlocked state, and when the locking mechanism is in the locked state, the lower connecting member is connected to the lower end portion of the center rod; when the locking mechanism is in an unlocking state, the lower connecting piece is separated from the lower end part of the central rod; the center lock further comprises: a grip for an operator to grip when attaching the lower connector to the central pole, the grip being fixedly disposed on the central pole. The utility model discloses a central lock can be convenient for the operator upwards promote down the connecting piece, convenient operation, and can effectively avoid down the risk that can not effectively connect that the connecting piece leads to in the excessive skew core rod.

Description

Central lock and tent

Technical Field

The utility model relates to a central lock and tent.

Background

With the continuous improvement of people's life, the use of tent is more and more frequent. Tents generally include folding tent frame and tarpaulin, the tent frame comprises top canopy frame and four or four above supporting legs, the supporting leg is used for supporting top canopy frame, and still is provided with locking structure on the supporting leg, the tarpaulin covers on top canopy frame for sunshade, rain-proof or keep out the wind. One way of locking the tent is to use a central lock, such as the one disclosed in chinese patent CN108026736B, to connect and lock the top structure of the tent. When the center lock is locked, an operator needs to push the center bottom cap upwards to enable the upper center rod to be inserted into the center bottom cap to realize locking. And there are some difficulties in practical use, such as: the center lock is usually located at the top of the tent, has a high height, does not have a place for helping when pushing the center bottom cap upwards, and easily causes the problem that the center rod cannot be aligned to be inserted into the center bottom cap.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a modified central lock, the utility model discloses still provide a tent that has this modified central lock simultaneously.

To achieve the above object, one aspect of the present invention provides a center lock, including:

a center pole having an upper end and a lower end;

an upper connector disposed on the center rod;

a lower connecting member detachably connected to a lower end portion of the center rod; and

a locking mechanism for locking the center rod and the lower link to each other;

wherein the locking mechanism has a locked state and an unlocked state, and the lower link is connected to the lower end portion of the center rod when the locking mechanism is in the locked state; when the locking mechanism is in an unlocked state, the lower connecting piece is separated from the lower end part of the central rod;

the center lock further comprises:

a gripping member for gripping by an operator when connecting the lower connector to the center pole, the gripping member being fixedly disposed on the center pole or the upper connector.

Preferably, the gripping member is located between the upper and lower ends of the central rod.

More preferably, the grip is spaced from the lower end of the central rod by a distance less than the distance between the grip and the upper end of the central rod.

Preferably, the gripping member includes a connecting portion fixedly connected to the central rod and a plurality of gripping portions extending from the connecting portion radially outward of the central rod.

More preferably, a groove or a gap for a pole of the tent to be inserted is formed between two adjacent gripping parts. After being folded, part of the top rods of the tent can be contained in the corresponding containing grooves or gaps of the gripping pieces, so that the folding is more regular.

Furthermore, the number of the containing grooves is multiple and is uniformly distributed along the circumferential direction of the central rod.

Further, a plurality of hinge seats for connecting the rod members of the tent are provided on the upper connecting member, and each of the hinge seats and the corresponding receiving groove are aligned with each other.

More preferably, the connecting part is sleeved on the central rod and fixedly connected with the central rod through a fastener.

Preferably, the upper connecting member has a shank portion sleeved on the central rod and extending downward from an upper end portion of the central rod, and the grip is fixedly disposed on the shank portion.

Preferably, when the locking mechanism is in a locked state, the lower connecting piece is in abutting contact with the lower surface of the gripping piece.

Preferably, the central rod passes through the grip, a guide slope is formed on a lower surface of the grip, the guide slope has an inner edge closer to the central rod and an outer edge farther from the central rod, and the guide slope gradually inclines upward from the inner edge to the outer edge.

Another aspect of the present invention is to provide a tent, which includes the center lock as described above.

As used herein, the terms "inner" and "outer" are used with reference to a central axis, with reference to a position closer to the central axis being inner and vice versa.

The utility model adopts the above scheme, compare prior art and have following advantage:

the utility model discloses a center lock and tent, when needs expand the tent, operator's thumb upwards pushes down the connecting piece and makes it connect on well core rod, and at this in-process, all the other four fingers of operator can grab on the gripping member, the operator application of force that makes progress of can being convenient for, convenient operation, and can effectively avoid down the problem that can not effectively connect that the connecting piece leads to in the excessive skew core rod of connecting piece.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a tent according to embodiment 1 of the present invention after being unfolded;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic perspective view of a tent according to embodiment 1 of the present invention during the unfolding process;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a front schematic view of the lower portion of the center pole and the grip of embodiment 1;

fig. 6 is a schematic view showing a position of a first post rod and a gripping member after the tent according to embodiment 1 of the present invention is folded;

fig. 7 is a schematic view showing the positions of the first push rods and the gripping members after the tent according to embodiment 1 of the present invention is folded;

fig. 8 is a partial perspective view of a center lock according to embodiment 2 of the present invention;

FIG. 9 is a front view of a portion of the center lock of FIG. 6;

FIG. 10 is a bottom view of the central lock portion of FIG. 6;

fig. 11 is a schematic view showing a position of a first post and a gripping member of a tent according to embodiment 2 of the present invention after being folded;

fig. 12 is a schematic perspective view of a center lock according to embodiment 3 of the present invention;

FIG. 13 is a front view of a portion of the center lock of FIG. 12;

fig. 14 is a front view of a center lock according to embodiment 4 of the present invention;

fig. 15 is a sectional view taken along the line a-a in fig. 14.

In the above-described figures of the drawings,

1. a column assembly; 11. a slider;

2. a push rod assembly; 21. a first ejector rod; 22. a second ejector rod; 23. a third ejector rod; 24. a fourth ejector rod;

3. a side bar assembly; 30. a cross brace member;

4. a central lock; 40. a center pole; 41. an upper connecting piece; 410. a loop bar part; 411. a hinged seat; 42. a lower connecting piece; 420. a slot; 43. a grip; 430. a guide ramp; 431. a connecting portion; 432. a grip portion; 433. and (4) a containing groove.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables the advantages and features of the invention to be more readily understood by those skilled in the art. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment provides a center lock and a foldable tent with the same. Referring to fig. 1 to 4, the foldable tent comprises at least three column assemblies 1 and top bar assemblies 2 which are the same in number as the column assemblies 1 and correspond to each other one by one, a side bar assembly 3 is connected between the upper ends of any two adjacent column assemblies 1, and a plurality of top bar assemblies 2 are movably connected through the central lock 4. Specifically, in the present embodiment, the number of the pole assemblies 1 is four, and the pole assemblies 1 are arranged at equal intervals to form a cubic space around the pole assemblies, and the pole assemblies 1 extend substantially in the vertical direction to support the tent on the ground. The number of the top rod assemblies 2 is four, and the top rod assemblies are used for forming a top frame of the tent. The side bar assemblies 3 are also four in number and are respectively positioned at the front, the back, the left and the right of the tent.

Each jack assembly 2 comprises a first jack 21, a second jack 22, a third jack 23 and a fourth jack 24, respectively, each first jack 21, each second jack 22, each third jack 23 and each fourth jack 24 having an inner end and an outer end, respectively. In each push rod component 2, the outer end part of the first push rod 21 is rotatably connected with the inner end part of the second push rod 22, and the outer end part of the second push rod 22 is rotatably connected with the upper end part of the corresponding upright post component 1; the outer end part of the third ejector rod 23 is rotatably arranged between the inner end part and the outer end part of the first ejector rod 21; the inner end part of the fourth top rod 24 is rotatably connected between the inner end part and the outer end part of the first top rod 22, and the outer end part of the fourth top rod 24 is slidably and rotatably connected to the corresponding upright post component 1 to form a crank slide block mechanism. The tent described above can be unfolded and folded as shown in fig. 1 and 3. After the tent is unfolded, the first top bar 21 and the second top bar 22, the first top bar 21 and the third top bar 23, and the second top bar 22 and the fourth top bar 24 of each top bar assembly 2 are respectively and oppositely unfolded; when the tent is folded, the first post bar 21, the second post bar 22, the third post bar 23 and the fourth post bar 24 of each post bar assembly 2 are close to each other, as shown in fig. 6 and 7.

Specifically, each of the column assemblies 1 is sleeved with a sliding block 11 capable of sliding in the vertical direction, and the lower end of the fourth push rod of each of the push rod assemblies 2 is rotatably connected to the corresponding sliding block 11, so as to form the above-mentioned crank-slider mechanism.

The side bar assembly 3 is formed of one or more cross brace members 30 which are sequentially pivotally connected to allow folding and unfolding for bringing adjacent column assemblies 1 together and apart. The sidebar assembly 3 can adopt a structure known in the prior art, which is referred to in patent document CN107476647A and will not be described herein.

The central lock 4 is used for realizing the interconnection of the four top rod assemblies 2, can meet the requirements of folding and unfolding of the tent, and can lock the tent to enable the tent to be stably in an unfolded state. As shown in fig. 2 and 4, the center lock 4 includes a center rod 40, an upper connector 41, and a lower connector 42. The center lock 4 extends substantially in the up-down direction, and has an upper end portion and a lower end portion. As used herein, the terms "inner," "outer," and the like are used with reference to center pole 40, with reference to being closer to center pole 40 as being inner and vice versa. The upper connecting member 41 is fixedly provided at the upper end portion of the center rod 40, and is fixed to the center rod 40 by a fastener, for example. The lower connecting member 42 is detachably connected to the lower end portion of the central rod 40, for example, the lower connecting member 42 is provided with a slot 420 into which the lower end portion of the central rod 40 is inserted, and the lower end portion of the central rod 40 can be detachably inserted into the slot 420. The inner ends of the four first carrier bars 21 are rotatably connected to the upper connection member 41, respectively, and the inner ends of the four third carrier bars 23 are rotatably connected to the lower connection member 42, respectively, so that the four carrier bar assemblies 2 constitute a cross structure extending along the diagonal of the tent upper frame toward the four top corners of the tent, respectively, and can rotate relative to each other. Specifically, the upper connecting member 41 is provided with a plurality of hinge seats 411, and the inner end portion of each first jack 21 is rotatably connected to one hinge seat 411 by a pivot. Accordingly, the lower link 42 is also provided with a plurality of hinge seats to which the inner end portion of each third jack 23 is rotatably connected by a pivot.

The central lock 4 further comprises a locking mechanism capable of locking the central rod 40 and the lower connector 42 to each other. The locking mechanism has a locked state and an unlocked state, and when the locking mechanism is in the locked state, the lower link 42 is connected to the lower end portion of the center rod 40; when the locking mechanism is in the unlocked state, the lower connector 42 is disengaged from the lower end of the central rod 40, and the lower connector 42 is preferably located directly below the central rod 40. The locking mechanism is of a construction known in the art. For example, the locking mechanism includes a locking member movably disposed on the lower link 42, a locking groove cooperating with the locking member is formed on the lower end portion of the center rod 40, and when the locking member is locked in the locking groove, the locking mechanism is in a locking state to lock the lower link 42 and the center rod 40 to each other; when the locking piece is subjected to external force, the locking piece can be separated from the locking groove, and the locking mechanism is in an unlocking state. One specific locking mechanism can be found in the lock piece and the elastic element disclosed in patent document CN108026736B, and is not described herein.

The center lock 4 further comprises a gripping member 43 for an operator to grip when connecting the lower connector 42 to the center rod 40. The grip 43 is fixedly arranged on the central bar 40. Specifically, the grip 43 is fixedly disposed between the upper end portion and the lower end portion of the center rod 40, and the distance between the grip 43 and the lower end portion of the center rod 40 is smaller than the distance between the grip 43 and the upper end portion of the center rod 40, i.e., closer to the lower end portion of the center rod 40.

The grip 43 includes a connecting portion 431 fixedly connected to the central rod 40 and a plurality of grip portions 432 extending from the connecting portion 431 radially outward of the central rod 40. The connecting portion 431 is sleeved on the central rod 40 and fixedly connected thereto by a fastening member (e.g., a screw). Preferably, the grip portion 432 extends horizontally outward in the radial direction of the center pole 40 or extends in a slightly upward inclined manner in the radial direction of the center pole 40. A receiving groove 433 into which a pole member (specifically, the first pole 21) of the tent is inserted is formed between two adjacent gripping portions 432. The number of the accommodating grooves 433 is plural (in this embodiment, the number of the accommodating grooves 433 is four, corresponding to four first push rods 21), and the accommodating grooves are uniformly distributed along the circumferential direction of the central rod 40. Further, the number of the accommodating grooves 433 is the same as the number of the hinge seats 411 on the upper connecting member 41 and the number of the first push rods 21, and the number of the hinge seats 411 corresponds to each other, and each hinge seat 411 is respectively aligned with the corresponding accommodating groove 433, that is, the accommodating groove 433 is located right below the corresponding hinge seat 411, so that the corresponding first push rod 21 is clamped in. Specifically, in the present embodiment, the gripping portion 432 and the accommodating groove 433 are both formed on an integral disk-shaped member, the middle portion of the disk-shaped member is sleeved on the central rod 40, the center of the disk-shaped member is located on the central line of the central rod 40, the accommodating groove 433 is formed by radially inwardly slotting from the outer edge of the disk-shaped member, and the other portions that are not slotted form the gripping portion 432. The width of the grasping portion 432 (specifically, its dimension in the circumferential direction) varies, specifically, the width of the inner side is smaller than the width of the outer side, and preferably gradually increases from the inside to the outside.

When the locking mechanism is in the locked state, the lower connecting member 42 and the lower surface of the grip member 43 are in abutting contact. As shown in fig. 5, the grip 43 has a guide slope 430 formed on a lower surface thereof, the guide slope 430 having an inner edge closer to the center pole 40 and an outer edge farther from the center pole 40, the guide slope 430 being gradually inclined upward from the inner edge to the outer edge thereof. Specifically, the guide ramps 430 are disposed around the central rod 40 and are generally flared such that the middle of the lower surface of the grip 43 projects slightly downward. The notch of the slot 420 is also flared and the guide ramp 430 can mate with the notch of the slot 420.

The use of the central lock 4 and the tent will be described in detail below.

When the tent needs to be folded, the locking mechanism of the central lock 4 is unlocked, the lower connecting piece 42 is pulled downwards to be separated from the central rod 40, and the third ejector rod 23 moves downwards along with the lower connecting piece, so that the inner end part of the first ejector rod 21 and the outer end part of the second ejector rod 22 are close to each other, and the fourth ejector rod 24 is driven to move, so that the outer end part of the fourth ejector rod 24 and the sliding sleeve 11 move downwards along the upright post assembly; meanwhile, along with the folding of the top rod component 2, the upright component 1 is also mutually closed, so that the cross brace rods 30 of the side rod component 3 are mutually folded and closed; when the slide block 11 moves to the lowest position, the column assemblies 1 are close to each other, the cross brace members 30 are close to each other, the rod assemblies 2 are close to each other between the column assemblies 1, and the first rods 21 are accommodated in the corresponding accommodating grooves 433 of the gripping member 43 (as shown in fig. 6 and 7), so that the folding is more regular.

When the tent is unfolded, the thumb of the operator pushes the lower connecting piece 42 upwards to connect the lower connecting piece to the central rod 40, and in the process, the rest four fingers of the operator grab the grabbing piece 43, so that the operator can conveniently apply force upwards, and the problem that the lower connecting piece 42 is not effectively connected due to excessive deviation from the central rod 40 can be effectively avoided; when the lower end of the central pole 40 is inserted into the lower connector 42, the locking mechanism locks the lower connector 42 to the central pole 40, so that the tent is stably unfolded and can be folded only by unlocking the locking mechanism. The specific unfolding process is as follows: along with the upward movement of the lower connecting piece 42, the lower connecting piece 42 drives the third top rod 23 to move upward, so as to push the first top rod 21 and the second top rod 22 to expand relatively, and further drive the fourth top rod 24 to move, so that the outer end part and the sliding block 11 slide upward along the upright post component 1, and the upright post component 1 and the side rod component 3 are then propped open all around.

Example 2

This embodiment is basically the same as embodiment 1 except for the shape of the grip portion. Referring to fig. 8 to 11, the grasping member 43 includes a connecting portion 431 fixedly connected to the central rod 40 and a plurality of grasping portions 432 extending from the connecting portion 431 radially outward of the central rod 40. The grip portion 432 extends horizontally outward in the radial direction of the center pole 40 or extends in a slightly upward inclined manner in the radial direction of the center pole 40. A receiving groove 433 into which a pole member (specifically, the first pole 21) of the tent is inserted is formed between two adjacent gripping portions 432. The number of the grasping portions 432 is four, four accommodating grooves 433 are correspondingly formed to respectively correspond to the four first carrier bars 21, and are uniformly distributed along the circumferential direction of the central rod 40. Further, the number of the receiving slots 433 is the same as the number of the hinge seats 411 and the number of the first push rods 21 on the upper connecting member 41, and the number of the hinge seats 411 corresponds to each other, and each hinge seat 411 is respectively aligned with the corresponding receiving slot 433, that is, the receiving slot 433 is located right below the corresponding hinge seat 411, so that the corresponding first push rod 21 is snapped in, as shown in fig. 10. After being folded, the first plunger 21 is snapped into the corresponding receiving slot 433, as shown in fig. 11.

In the present embodiment, the width of the grasping portion 432 (specifically, the dimension thereof in the circumferential direction) varies, specifically, the width of the inner side is larger than the width of the outer side, and preferably gradually decreases from the inside to the outside. Accordingly, the width of the receiving groove 433 (specifically, its dimension in the circumferential direction) varies, specifically, the width of the inner side is smaller than that of the outer side, and preferably gradually increases from the inside to the outside. The pocket 433 is generally V-shaped.

Example 3

This embodiment is basically the same as embodiment 1 except for the number and shape of the grasping portions. Referring to fig. 12 and 13, the grasping member 43 includes a connecting portion 431 fixedly connected to the central rod 40 and a plurality of grasping portions 432 extending from the connecting portion 431 radially outward of the central rod 40. The grip portion 432 extends horizontally outward in the radial direction of the center pole 40 or extends in a slightly upward inclined manner in the radial direction of the center pole 40. The gripping portions 432 are two in number and spaced apart, preferably on opposite sides of the center post 40. After the tent is folded, the first post bar 21 is folded in the gap between the two grasping portions 432.

In the present embodiment, the width of the grasping portion 432 (specifically, the dimension thereof in the circumferential direction) varies, specifically, the width of the inner side is larger than the width of the outer side, and preferably gradually decreases from the inside to the outside.

Example 4

This embodiment is substantially the same as embodiment 1 except that the grip member is fixedly provided on the upper connecting member instead of the center rod. Referring to fig. 14 and 15, the center lock 4 includes a center rod 40, an upper connector 41, and a lower connector 42. The center lock 4 extends substantially in the up-down direction, and has an upper end portion and a lower end portion. The upper connecting member 41 is fixedly provided to the center rod 40. The lower connector 42 is detachably connected to the lower end portion of the central rod 40. The center lock 4 further comprises a gripping member 43 for an operator to grip when connecting the lower connector 42 to the center rod 40. The grip 43 is fixedly disposed on the upper connecting member 41.

Specifically, the upper connecting member 41 has a shank portion 410 fitted on the central rod 40 and extending downward from the upper end portion of the central rod 40, and the shank portion 410 is fixedly connected to the central rod 40. The grip 43 is fixedly disposed on the shank 410 between the upper end and the lower end of the center pole 40, and the distance between the grip 43 and the lower end of the center pole 40 is smaller than the distance between the grip 43 and the upper end of the center pole 40, i.e., closer to the lower end of the center pole 40.

The grip 43 has a plurality of grip portions 432, a receiving groove 433 is formed between adjacent grip portions 432, and the grip portions 432 and the stem portion 410 are fixedly connected or integrally formed.

The above embodiments are only for illustrating the technical concept and features of the present invention, and are preferred embodiments, which are intended to enable persons skilled in the art to understand the contents of the present invention and to implement the present invention, and thus, the protection scope of the present invention cannot be limited thereby. All equivalent changes or modifications made according to the principles of the present invention are intended to be covered by the scope of the present invention.

Claims

1. A center lock, comprising:

a center pole having an upper end and a lower end;

an upper connector disposed on the center rod;

characterized in that, the center lock still includes:

2. A center lock according to claim 1, wherein: the gripping member is located between the upper end portion and the lower end portion of the central rod, and the distance between the gripping member and the lower end portion of the central rod is smaller than the distance between the gripping member and the upper end portion of the central rod.

3. A center lock according to claim 1, wherein: the gripping member includes a connecting portion fixedly connected to the central rod and a plurality of gripping portions extending radially outward from the connecting portion along the central rod.

4. A center lock according to claim 3, wherein: and a containing groove or a gap for the rod piece of the tent to be clamped is formed between every two adjacent gripping parts.

5. A centre lock according to claim 4, wherein: the number of the containing grooves or the gaps is multiple and is uniformly distributed along the circumferential direction of the central rod.

6. A centre lock according to claim 4, wherein: the upper connecting piece is provided with a plurality of hinged seats for connecting rod pieces of the tent, and each hinged seat is aligned with the corresponding containing groove or gap.

7. A center lock according to claim 3, wherein: the connecting part is sleeved on the central rod and fixedly connected with the central rod through a fastener.

8. A center lock according to claim 1, wherein: the upper connecting piece is provided with a sleeve rod portion which is sleeved on the central rod and extends downwards from the upper end portion of the central rod, and the grabbing piece is fixedly arranged on the sleeve rod portion.

9. A center lock according to claim 1, wherein: when the locking mechanism is in a locking state, the lower connecting piece is in abutting contact with the lower surface of the gripping piece.

10. A center lock according to claim 1, wherein: the well core rod passes the gripping member, be formed with the guide inclined plane on the lower surface of gripping member, the guide inclined plane have apart from well core rod inner border nearer with apart from well core rod outer border far away, the guide inclined plane is from its inner border to outer border gradual tilt up.

11. A tent, characterized in that: the tent comprising a center lock as claimed in any one of claims 1 to 10.