CN214803123U - Bolt device capable of locking and contracting - Google Patents
Bolt device capable of locking and contracting Download PDFInfo
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- CN214803123U CN214803123U CN202120651643.8U CN202120651643U CN214803123U CN 214803123 U CN214803123 U CN 214803123U CN 202120651643 U CN202120651643 U CN 202120651643U CN 214803123 U CN214803123 U CN 214803123U
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- box body
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- pull rod
- connecting rod
- groove
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Abstract
The utility model relates to the technical field of bolt devices, in particular to a lockable retractable bolt device, which comprises a retractable box body, a first pull rod, a second pull rod and a third pull rod which are respectively connected with the retractable box body, wherein the first pull rod is connected with the retractable box body through a first connecting rod, the second pull rod and the third pull rod are respectively connected with the retractable box body through a second connecting rod, the retractable box body comprises a first holding tank and a second holding tank which are respectively used for limiting and installing the first connecting rod and the two second connecting rods, the third holding tank and an upper box body and a lower box body which are vertically and correspondingly and fixedly connected, a positioning rod with mirror images arranged at both sides of the first holding tank is fixedly arranged on the lower box body, rotating pieces with mirror images are respectively and movably connected on the positioning rod, one end of each rotating piece is respectively connected with the first connecting rod in a clamping way, the other end of each rotating piece is respectively connected with the second connecting rods at both sides of the first connecting rod, a spring is also sheathed on the first connecting rod, the novel LED lamp is simple in structure, convenient to install and operate, low in required cost, attractive in appearance and capable of meeting market requirements.
Description
Technical Field
The utility model relates to a bolt technical field especially relates to a but locking contraction's bolt device.
Background
The bolt is widely used locking device, also by the wide application in folding table, chair field, especially folding be table tennis table, the most structure complicacy of current bolt device for folding table tennis table, the installation of being not convenient for and the operation of expansion, can't realize in step to cause the damage, required cost is higher, and is unfavorable for pleasing to the eye, can't satisfy the market demand.
Disclosure of Invention
In order to overcome the technical defect, the utility model aims at providing a simple structure, installation convenient operation can realize expandeing in step, guarantees its safe handling, and required with low costs does benefit to pleasing to the eye, and can satisfy the but locking bolt device of shrink of market demand.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a latch device capable of locking and contracting comprises a telescopic box body, a first pull rod, a second pull rod and a third pull rod which are respectively connected with the telescopic box body, wherein the first pull rod is connected with the telescopic box body through a first connecting rod, the second pull rod and the third pull rod are respectively connected with the telescopic box body through a second connecting rod, the telescopic box body comprises a first holding tank and a second holding tank which are respectively used for limiting installation of the first connecting rod and the two second connecting rods, the third holding tank and an upper box body and a lower box body which correspond to each other and are fixedly connected up and down, positioning rods with mirror images arranged at two sides of the first holding tank are fixedly arranged on the lower box body, rotary sheets with mirror images arranged are respectively and movably connected on the positioning rods, one end of each rotary sheet is respectively clamped with the first connecting rod, the other end of each rotary sheet is respectively clamped with the second connecting rods positioned at two sides of the first connecting rod, and the first connecting rod is also sleeved with a spring.
Furthermore, the first connecting rod is a T-shaped connecting rod, a first connecting gap is formed in one end of the first connecting rod, first limiting rods are arranged at two ends of the first connecting gap respectively, and a first connecting groove used for fixedly connecting the first pull rod is formed in the other end of the first connecting rod.
Furthermore, one end of the second connecting rod is respectively provided with a second connecting gap, a second limiting rod is respectively arranged in the second connecting gap, and the other end of the second connecting rod is respectively provided with a second connecting groove for fixedly connecting the second pull rod and the third pull rod.
Furthermore, the rotating sheet is respectively provided with a through hole, a first clamping groove and a second clamping groove, the rotating sheet is movably arranged on the positioning rod through the through hole, the rotating sheet is respectively connected with the second connecting rod through a second limiting rod which is clamped in the second connecting gap through the first clamping groove, and the rotating sheet is respectively connected with the first connecting rod through first limiting rods which are clamped in the first connecting gap through the second clamping groove and are arranged at two ends of the first connecting gap.
Furthermore, a plurality of connecting columns are uniformly distributed on the upper box body, and connecting holes corresponding to the connecting columns are uniformly distributed on the lower box body.
Further, first holding tank is including locating first half groove on the last box body and locating first half groove on the box body down.
Further, the second holding tank is including locating half groove on the second on the last box body and locating half groove under first on the box body.
Further, the third holding tank is including locating half groove on the third on the last box body and locating half groove under the third on the box body down.
To sum up, the utility model has the advantages that: the utility model drives the first connecting rod by pulling the first pull rod, the first connecting rod drives the rotor connected with the first connecting rod through the first limiting rod at two ends in the first gap, after the rotor is stressed, the rotor rotates along the positioning rod on the lower box body respectively and drives the second connecting rod which is clamped with the second limiting rod through the first clamping groove respectively, the second connecting rod drives the second pull rod and the third pull rod respectively to shrink, two parts of table bodies which need to be folded are fixedly connected with two ends of the second pull rod and the third pull rod respectively to realize folding, in addition, the first connecting rod is also provided with a spring to lead the two parts of table bodies to shrink freely, the positioning rods are arranged at two sides of the first containing groove on the lower box body in a mirror image way, the rotor is arranged on the positioning rods in a mirror image way, the folding table bodies can be ensured to realize synchronization when being unfolded, thereby ensuring that the folding table bodies are not damaged, the utility model has the advantages of simple structure and convenient installation and operation, the required cost is low, the appearance is attractive, and the market demand can be met.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a schematic connection diagram of a first connecting rod and two second connecting rods according to the present invention;
fig. 4 is a schematic structural diagram of a first connecting rod of the present invention;
FIG. 5 is a schematic structural view of a second connecting rod of the present invention;
FIG. 6 is a schematic structural view of the transfer sheet of the present invention;
fig. 7 is a schematic structural view of the upper box body of the present invention;
FIG. 8 is a schematic structural view of the middle and lower cases of the present invention;
the telescopic box comprises a box body 1, a telescopic box body 101, an upper box body 1011, a connecting column 102, a lower box body 1021, a connecting hole 1022, a positioning rod 2, a first pull rod 3, a second pull rod 4, a third pull rod 5, a second connecting rod 501, a second connecting gap 502, a second limiting rod 6, a first connecting rod 601, a first connecting gap 602, a first limiting rod 603, a first connecting groove 7, a rotating piece 701, a through hole 702, a first clamping groove 703, a second clamping groove 8, a spring 9, a third accommodating groove 901, a third upper half groove 902, a third lower half groove 10, a first accommodating groove 1001, a first upper half groove 1002, a first lower half groove 11, a second accommodating groove 1101, a second upper half groove 1102, a second lower half groove.
Detailed Description
The invention will be further described with reference to the accompanying drawings and the detailed description:
as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, a lockable retractable latch device comprises a retractable box 1, a first pull rod 2, a second pull rod 3 and a third pull rod 4 respectively connected to the retractable box 1, the first pull rod 2 is connected to the retractable box 1 through a first connecting rod 6, the second pull rod 3 and the third pull rod 4 are respectively connected to the retractable box 1 through a second connecting rod 5, the retractable box 1 comprises a first receiving groove 10 and a second receiving groove 11 respectively used for limiting installation of the first connecting rod 6 and the two second connecting rods 5, a third receiving groove 9 and an upper box 101 and a lower box 102 which are fixedly connected up and down, the lower box 102 is fixedly provided with positioning rods 1022 arranged at two sides of the first receiving groove 10 in a mirror image manner, the positioning rods 1022 are respectively and movably connected with rotating pieces 7 arranged in a mirror image manner, one end of the rotating piece 7 is respectively clamped with the first connecting rod 6, the other end of the rotating piece 7 is respectively clamped with the second connecting rods 5 positioned at two sides of the first connecting rod 6, and the first connecting rod 6 is further sleeved with a spring 8.
The first connecting rod 6 is a T-shaped connecting rod, a first connecting gap 601 is arranged at one end of the first connecting rod 6, first limiting rods 602 are respectively arranged at two ends of the first connecting gap 601, and a first connecting groove 603 for fixedly connecting the first pull rod 2 is arranged at the other end of the first connecting rod 6.
One end of the second connecting rod 5 is provided with a second connecting gap 501, a second limiting rod 502 is arranged in the second connecting gap 501, and the other end of the second connecting rod 5 is provided with a second connecting groove 503 for fixedly connecting the second pull rod 3 and the third pull rod 4.
The rotating sheet 7 is respectively provided with a through hole 701, a first clamping groove 702 and a second clamping groove 703, the rotating sheet 7 is movably arranged on the positioning rod 1022 through the through hole 701, the rotating sheet 7 is respectively connected to the second connecting rod 5 through the second limiting rod 502 clamped in the second connecting gap 501 through the first clamping groove 702, and the rotating sheet 7 is respectively connected to the first connecting rod 6 through the first limiting rods 602 clamped in the two ends of the first connecting gap 601 through the second clamping groove 703.
A plurality of connecting columns 1011 are uniformly distributed on the upper box body 101, and connecting holes 1021 corresponding to the connecting columns 1011 are uniformly distributed on the lower box body 102.
The first receiving groove 10 includes a first upper half groove 1001 disposed on the upper case 101 and a first lower half groove 1002 disposed on the lower case 102.
The second receiving groove 11 includes a second upper half-groove 1101 formed on the upper case 101 and a second lower half-groove 1102 formed on the lower case 102.
The third accommodating groove 9 includes a third upper half groove 901 disposed on the upper case 101 and a third lower half groove 902 disposed on the lower case 102.
When the operation is used, through the first pull rod 2 of pulling, and drive rather than the first holding tank 10 endotheca of locating flexible box body 1 of fixed connection and be equipped with the head rod 6 of spring 8, the second connecting rod 5 that the commentaries on classics piece 7 that sets up on the locating lever 1022 of first holding tank 10 both sides through the mirror image is connected is respectively driven to the subdividing, second connecting rod 5 drives second pull rod 3 and third pull rod 4 through second spread groove 503 fixed connection respectively again, thereby realize the shrink, with its installation to needs realize the folding desktop can.
When needs expand, loosen first pull rod 2, under the effect of spring 8 on head rod 6, with second pull rod 3 and third pull rod 4 pull back can, and locating lever 1022 sets up in the both sides of first holding tank 10 on box body 102 mirror image down, and rotor 7 sets up on locating lever 1022 mirror image, can guarantee that folding table body when expanding, realizes the synchronous expansion of folding table body to guarantee that it is not damaged.
To sum up, the utility model discloses it is simple structure not only, installation convenient operation, and required with low costs does benefit to beautifully, and can satisfy the market demand.
Various other changes and modifications may be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a but locking shrink's bolt device, includes flexible box body (1), connect respectively in first pull rod (2), second pull rod (3) and third pull rod (4) of flexible box body (1), its characterized in that: first pull rod (2) connect in through head rod (6) flexible box body (1), second pull rod (3) and third pull rod (4) connect in through second connecting rod (5) respectively flexible box body (1), flexible box body (1) is including being used for respectively first holding tank (10), second holding tank (11) of head rod (6) and two spacing installations of second connecting rod (5), third holding tank (9) and upper and lower corresponding fixed connection's last box body (101) and lower box body (102), fixed being equipped with mirror image on box body (102) down sets up locating lever (1022) in first holding tank (10) both sides, swing joint has rotor (7) that the mirror image set up respectively on locating lever (1022), the one end of rotor (7) joint respectively in head rod (6), the other end of rotor (7) joint respectively in be located the head rod (6) both sides second connecting rod (6) (10) 5) And a spring (8) is also sleeved on the first connecting rod (6).
2. The lockable retractable latching mechanism of claim 1, further comprising: the utility model discloses a tie rod, including head rod (6), first connecting rod (603) are equipped with first connecting gap (601), and the both ends of first connecting gap (601) are equipped with first gag lever post (602) respectively, the other end of head rod (6) is equipped with and is used for fixed connection first connecting groove (603) of first pull rod (2).
3. The lockable retractable latching mechanism of claim 1, further comprising: one end of the second connecting rod (5) is provided with a second connecting gap (501) respectively, a second limiting rod (502) is arranged in the second connecting gap (501) respectively, and the other end of the second connecting rod (5) is provided with a second connecting groove (503) which is used for fixedly connecting the second pull rod (3) and the third pull rod (4) respectively.
4. A lockable retractable latching apparatus as claimed in claim 1, 2 or 3, wherein: the rotating sheet (7) is provided with a through hole (701), a first clamping groove (702) and a second clamping groove (703) respectively, the rotating sheet (7) is movably arranged on the positioning rod (1022) through the through hole (701) respectively, the rotating sheet (7) is connected with the second connecting rod (5) respectively through a second limiting rod (502) which is clamped in the second connecting gap (501) through the first clamping groove (702), and the rotating sheet (7) is connected with the first connecting rod (6) respectively through first limiting rods (602) which are clamped at two ends in the first connecting gap (601) through the second clamping groove (703).
5. The lockable retractable latching mechanism of claim 1, further comprising: a plurality of connecting columns (1011) are uniformly distributed on the upper box body (101), and connecting holes (1021) corresponding to the connecting columns (1011) are uniformly distributed on the lower box body (102).
6. The lockable retractable latching mechanism of claim 1, further comprising: the first accommodating groove (10) comprises a first upper half groove (1001) arranged on the upper box body (101) and a first lower half groove (1002) arranged on the lower box body (102).
7. The lockable retractable latching mechanism of claim 1, further comprising: the second accommodating groove (11) comprises a second upper half groove (1101) arranged on the upper box body (101) and a second lower half groove (1102) arranged on the lower box body (102).
8. The lockable retractable latching mechanism of claim 1, further comprising: the third accommodating groove (9) comprises a third upper half groove (901) arranged on the upper box body (101) and a third lower half groove (902) arranged on the lower box body (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651643.8U CN214803123U (en) | 2021-03-31 | 2021-03-31 | Bolt device capable of locking and contracting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120651643.8U CN214803123U (en) | 2021-03-31 | 2021-03-31 | Bolt device capable of locking and contracting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214803123U true CN214803123U (en) | 2021-11-23 |
Family
ID=78760951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120651643.8U Active CN214803123U (en) | 2021-03-31 | 2021-03-31 | Bolt device capable of locking and contracting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214803123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040513A (en) * | 2021-03-31 | 2021-06-29 | 江西锐胜台球制造有限公司 | Bolt device capable of locking and contracting |
-
2021
- 2021-03-31 CN CN202120651643.8U patent/CN214803123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040513A (en) * | 2021-03-31 | 2021-06-29 | 江西锐胜台球制造有限公司 | Bolt device capable of locking and contracting |
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