CN209783885U - automobile door lock longitudinal tensile test instrument - Google Patents
automobile door lock longitudinal tensile test instrument Download PDFInfo
- Publication number
- CN209783885U CN209783885U CN201920656386.XU CN201920656386U CN209783885U CN 209783885 U CN209783885 U CN 209783885U CN 201920656386 U CN201920656386 U CN 201920656386U CN 209783885 U CN209783885 U CN 209783885U
- Authority
- CN
- China
- Prior art keywords
- door lock
- mounting
- plate
- tensile test
- mounting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of the inspection of automobile parts, concretely relates to automobile door lock longitudinal tensile test instrument, include: the lock catch fixing assembly comprises a fixing plate and a fixing bracket, wherein the fixing bracket is arranged at one end of the fixing plate, and the fixing plate is suitable for installing a lock catch; the door lock fixing assembly comprises a first mounting plate and a traction rod; the first mounting plate is positioned above the fixing plate, and the traction rod is mounted at the end part of the fixing plate; the first mounting plate is suitable for mounting a door lock, and the door lock can be buckled and locked with the lock catch; the tensile test assembly comprises a rocker arm and a balancing weight; the rocker arm comprises a long arm and a short arm, the long arm and the short arm are L-shaped, and the joint is rotatably connected with the fixed support; the short arm is connected with the traction rod, and the long arm is connected with the balancing weight; the counterweight is adapted to tension the door lock via the rocker arm and the drawbar. Through the structure, the automobile door lock longitudinal tensile test tool which is good in universality, good in durability and easy to install and operate is provided.
Description
Technical Field
The utility model belongs to the technical field of the automobile parts inspection, concretely relates to automobile door lock longitudinal tensile test instrument.
Background
With the development of the automobile industry, various performance indexes of the whole automobile and parts of the automobile are more and more concerned by consumers, and the strength of the parts is directly related to the overall performance of the whole automobile, so that the quality of the whole automobile is influenced, and the safety performance and public praise of the whole automobile are influenced; each automobile production plant needs to ensure and perfect experimental means and capability from experimental capability construction, experimental standard construction and experimental system, and ensure the safety and reliability of products.
At present, the tensile test of the automobile door lock is a national strong inspection project and is a use project which is necessary to be made by each automobile host factory. At present, most of main factory main stream door lock tensile test tool fixtures have poor universality, complex structures and inconvenient use and operation.
Therefore, to above not enough, the utility model discloses urgent need provides an automobile door lock longitudinal tensile test instrument.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile door lock longitudinal tension test instrument to solve among the prior art automobile door lock test instrument structure complicacy and the not convenient problem of operation.
The utility model provides a vertical tensile test instrument of automobile door lock, include: the lock catch fixing assembly is suitable for installing a lock catch and comprises a fixing plate and a fixing support, and the fixing support is installed at one end of the fixing plate; the door lock fixing assembly comprises a first mounting plate and a traction rod, the first mounting plate is positioned above the fixing plate, and the traction rod is mounted at the end part of the first mounting plate; the first mounting plate is suitable for mounting a door lock, and the door lock can be buckled and locked with the lock catch; a tensile test assembly comprising a rocker arm and a weight; the rocker arm comprises a long arm and a short arm, the long arm and the short arm are connected to form an L shape, and the joint is rotatably connected with the fixed support; the short arm is connected with the traction rod, and the long arm is connected with the balancing weight; the counterweight is adapted to pull the door lock through the rocker arm and the drawbar.
The automobile door lock longitudinal tensile test tool further preferably comprises a second mounting plate and a balance connecting plate, wherein the second mounting plate is arranged on the second mounting plate; the second mounting plate is positioned right above the first mounting plate; the balance connecting plate is located on two sides of the second mounting plate, one end of the balance connecting plate is movably connected with the second mounting plate, and the other end of the balance connecting plate is connected with the first mounting plate.
The automobile door lock longitudinal tensile test tool as described above, further preferably, the door lock fixing assembly further includes a first mounting block, the first mounting block is mounted on the second mounting plate and adapted to suspend the second mounting plate; the lock catch fixing assembly further comprises a second mounting block, and the second mounting block is mounted below the fixing plate and suitable for mounting the fixing plate.
In the above-described longitudinal tensile test tool for an automobile door lock, it is further preferable that a pair of long key grooves are provided on the fixing plate; the lock catch fixing assembly further comprises a lock catch mounting plate, and the lock catch mounting plate is provided with a mounting part suitable for mounting the lock catch; the lock catch mounting plate is mounted on the fixing plate through a fastener inserted in the long key groove.
In the above vehicle door lock longitudinal tensile test tool, preferably, an end surface of the long arm connected to the weight block is U-shaped; the connecting part of the long arm and the short arm is provided with a first mounting hole, the fixed support is provided with a second mounting hole, and the first mounting hole and the second mounting hole are suitable for a first connecting rod to be inserted.
In the above automobile door lock longitudinal tensile test tool, it is further preferable that an end of the short arm is provided with a third mounting hole, one end of the drawbar is provided with a fourth mounting hole, and the third mounting hole and the fourth mounting hole are suitable for inserting a second connecting rod.
The tool for testing longitudinal tensile strength of an automobile door lock as described above, further preferably, the lever ratio of the long arm to the short arm is 9: 1.
In the above-described longitudinal tensile test tool for an automobile door lock, it is further preferable that the weight block is a weight, and the weight is suspended from an end of the long arm.
Preferably, the end of the first mounting plate is provided with a support lug, the support lug is provided with a fifth mounting hole, the draw bar is provided with a sixth mounting hole, and the fifth mounting hole and the sixth mounting hole are suitable for inserting a third connecting rod.
In the above-described vehicle door lock longitudinal tensile test tool, it is further preferable that the pair of long key grooves are symmetrical with respect to a straight line formed by the rocker arm and the drawbar.
Compared with the prior art, the utility model has the following advantage:
The utility model provides a vertical tensile test tool of the automobile door lock by arranging a door lock fixing assembly and a lock catch fixing assembly which are respectively used for installing the door lock and the lock catch and a tensile test assembly which is respectively connected with the door lock fixing assembly and the lock catch fixing assembly and is used for relatively vertically stretching the door lock and the lock catch, wherein the tool amplifies the gravity of a balancing weight into vertical tensile force of the door lock and the lock catch through the lever action of a rocker arm through a rotatable rocker arm on the tensile test assembly so as to realize the vertical tensile test of the door lock and the lock catch; and the tool has good universality, good durability and easy installation and operation.
Drawings
fig. 1 is a schematic perspective view of a longitudinal tensile test tool for an automobile door lock according to the present invention;
Fig. 2 is a front view of the vertical tensile test tool for the car door lock of the present invention.
Description of reference numerals:
1-a first mounting block, 2-a second mounting plate, 3-a balance connecting plate, 4-a traction rod, 5-a rocker arm, 6-a balancing weight, 7-a first mounting plate, 8-a door lock mounting plate, 9-a lock catch mounting plate, 10-a fixing plate, 11-a fixing support, 12-a second mounting block, 13-a door lock, 14-a lock catch, 15-a first mounting hole, 16-a third mounting hole and 17-a fifth mounting hole.
Detailed Description
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, the present embodiment discloses an automobile door lock longitudinal tensile test tool, which includes: the lock catch fixing assembly is suitable for installing a lock catch 14 and comprises a fixing plate 10 and a fixing bracket 11, wherein the fixing bracket 11 is installed at one end of the fixing plate 10; the door lock fixing assembly comprises a first mounting plate 7 and a traction rod 4, wherein the first mounting plate 7 is positioned above the fixing plate 10, and the traction rod 4 is mounted at the end part of the first mounting plate 7; the first mounting plate 7 is suitable for mounting a door lock 13, and the door lock 13 can be buckled and locked with the lock catch 14; a tensile test assembly comprising a rocker arm 5 and a weight 6; the rocker arm 5 comprises a long arm and a short arm, the long arm and the short arm are connected to form an L shape, and the joint is rotatably connected with the fixed support 11; the short arm is connected with the traction rod 4, and the long arm is connected with the balancing weight 6; the counterweight 6 is adapted to pull the door lock 13 through the rocker arm 5 and the drawbar 4.
As shown in fig. 1-2, further, the present embodiment discloses a longitudinal tensile test tool for an automobile door lock, wherein the door lock fixing assembly further comprises a second mounting plate 2 and a balance connecting plate 3; the second mounting plate 2 is positioned right above the first mounting plate 7; the balance connecting plate 3 is located on two sides of the second mounting plate 2, one end of the balance connecting plate is movably connected with the second mounting plate 2, and the other end of the balance connecting plate is connected with the first mounting plate 7.
As shown in fig. 1-2, further, the present embodiment discloses a longitudinal tensile test tool for an automobile door lock, wherein the door lock fixing assembly further includes a first mounting block 1, and the first mounting block 1 is mounted on the second mounting plate 2 and adapted to suspend the second mounting plate 2; the latch fixing assembly comprises a second mounting block 12, and the second mounting block 12 is mounted below the fixing plate 10 and is suitable for mounting the fixing plate 10. In this embodiment, the first mounting block 1 and the second mounting block 12 are respectively used for fixing the latch fixing assembly and the door lock fixing assembly.
as shown in fig. 1-2, further, the present embodiment discloses a longitudinal tensile test tool for an automobile door lock, wherein a pair of long key slots are provided on the fixing plate 10; the lock catch fixing assembly further comprises a lock catch mounting plate 9, the lock catch mounting plate 9 is provided with a mounting part suitable for mounting the lock catch 14, and the mounting part can be a mounting cavity or a limiting mounting hole arranged corresponding to the lock catch; the lock mounting plate 9 is mounted on the fixing plate 10 by a fastener inserted into the long key slot. In this embodiment, the lock catch mounting plates 9 are multiple sets, and the multiple sets of lock catch mounting plates 9 have different sizes and specifications, and are suitable for mounting the lock catches 14 with different sizes and specifications on the fixing plate 10; when in use, a set of lock catch mounting plates 9 matched with the lock catches 14 in specification is selected. The length direction of the long key groove is the same as the stretching direction of the stretching rod, and the long key groove is suitable for adjusting the relative position of the mounting plate and the fixing plate 10, so that the first mounting block 1, the door lock 13, the lock cylinder and the second mounting block 12 are always positioned on the same straight line, and the force applied through the traction rod 4 can be directly applied to the meshing center during a stretching test and is completely used for longitudinal stretching.
Similarly, the present embodiment is further provided with a door lock mounting plate 8, the door lock mounting plate 8 is provided with a fixing portion adapted to mount the door lock 13, and the fixing portion may be a mounting cavity or a limiting mounting hole corresponding to the lock catch; the door lock mounting plates 8 are multiple, the multiple door lock mounting plates 8 are different in size and specification, and the door lock mounting plates are suitable for mounting door locks 13 with different size and specification on the first mounting plate 7; when in use, a set of door lock mounting plates 8 matched with the specifications of the door lock 13 is selected.
As shown in fig. 1-2, further, in the present embodiment, an end surface of one end of the long arm connected to the counterweight 6 is U-shaped; the connecting part of the long arm and the short arm is provided with a first mounting hole 15, the fixed support 11 is provided with a second mounting hole, and the first mounting hole 15 and the second mounting hole are suitable for a first connecting rod to be inserted. Further, a third mounting hole 16 is formed in the end portion of the short arm, a fourth mounting hole is formed in one end of the traction rod, and the third mounting hole 16 and the fourth mounting hole are suitable for inserting of a second connecting rod. Preferably, the lever ratio of the long arm to the short arm is 9: 1; the balancing weight 6 is a weight, and the weight is suspended at the end of the long arm. The long arm of U type terminal surface be suitable for strengthen with fixed bolster 11 is connected, avoids rocking at rotary type rocking arm 5 itself. The arrangement of the short arm structure is adapted to rotatably connect the drawbar 4 with the rocker arm 5. According to the requirements of GB15086-2013 'performance requirements and test methods of automobile door lock 13 and door retainers', a longitudinal tensile test of the door lock 13 needs to be loaded with a side load of 890N. The 9:1 lever ratio of this example allowed the experimental objective to be achieved by loading a weight of 10kg, thereby reducing the overall weight of the tool.
In this embodiment, the lever ratio can be described as a length ratio, i.e. the length ratio of the long arm to the short arm is 9: 1. the national standard of the longitudinal tensile test of the door lock requires that 900N lateral force needs to be applied to the door lock in the longitudinal tensile test of the door lock, and during actual operation, the long arm of the rocker arm is horizontally placed, the rocker arm rotates around a rocker arm shaft, and the balance weight 6 provides pulling forces F1 and F2 to be the lateral force of the door lock. Wherein the length ratio of L1 to L2 is 9: 1. F2 is 9F1, which is derived from the formula F1L 1-F2L 2 for lever balance conditions. The arrangement block 6 weighs about 10.2kg, and F1 ═ mg ═ 10.2 ═ 9.8N/kg ≈ 100N, so F2 ═ 9 ═ 100N ≈ 900N. Therefore, the aim of applying 900N lateral force to the door lock by using 10.2kg of balancing weight can be achieved.
Further, in the automobile door lock longitudinal tensile test tool disclosed in the present embodiment, a support lug is arranged at the end of the first mounting plate 7, a fifth mounting hole 17 is arranged on the support lug, a sixth mounting hole is arranged on the drawbar 4, and the fifth mounting hole 17 and the sixth mounting hole are suitable for inserting a third connecting rod.
Further, the embodiment discloses a longitudinal tensile test tool for an automobile door lock, wherein a pair of the long keyways are symmetrical about a straight line formed by the rocker arm 5 and the draw bar 4.
Further, the embodiment also provides an installation and use method of the longitudinal tensile test tool for the automobile door lock 13, which comprises the following steps:
Firstly, the door lock 13 is installed on the door lock installation plate 8 through bolts, then the door lock 13 and the door lock installation plate 8 are installed on the first installation plate 7 through the bolts, and the installed part is connected with the second installation plate 2 through the balance connection plate 3 to form a door lock fixing assembly. The latches 14 are then mounted to the latch mounting plate 9 in the same manner and then secured together to the mounting plate 10 to form a latch mounting assembly. And then the rocker arm 5 is connected with the door lock fixing assembly through the traction rod 4, the long arm in the installed rocker arm 5 is horizontal, the short arm is vertical, and the traction rod 4 and the central line of the long arm are on the same straight line. And finally, mounting the first mounting block 1 and the second mounting block 12, and during mounting, paying attention to the adjustment of the vertical position of the structure, the first mounting block 1, the door lock 13, the lock catch 14 and the second mounting block 12 are necessarily positioned on the same vertical straight line, and the straight line and the center line of the rocker arm 5 and the traction rod 4 are positioned on the same plane. Then, a weight is added to the free end of the long arm of the rocker arm 5 until the weight of the weight reaches 10kg, and the traction force converted by the weight of the weight is 890N according to the lever principle of the rocker arm 5. The door lock 13 and the shackle 14 are observed to see if they fail under longitudinal tension.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A longitudinal tensile test tool for an automobile door lock, comprising:
the lock catch fixing assembly is suitable for installing a lock catch and comprises a fixing plate and a fixing support, and the fixing support is installed at one end of the fixing plate;
The door lock fixing assembly comprises a first mounting plate and a traction rod, the first mounting plate is positioned above the fixing plate, and the traction rod is mounted at the end part of the first mounting plate; the first mounting plate is suitable for mounting a door lock, and the door lock can be buckled and locked with the lock catch;
A tensile test assembly comprising a rocker arm and a weight; the rocker arm comprises a long arm and a short arm, the long arm and the short arm are connected to form an L shape, and the joint is rotatably connected with the fixed support; the short arm is connected with the traction rod, and the long arm is connected with the balancing weight; the counterweight is adapted to pull the door lock through the rocker arm and the drawbar.
2. An automotive door lock longitudinal tensile test tool according to claim 1, wherein said door lock securing assembly further comprises a second mounting plate and a balance connection plate; the second mounting plate is positioned right above the first mounting plate; the balance connecting plate is located on two sides of the second mounting plate, one end of the balance connecting plate is movably connected with the second mounting plate, and the other end of the balance connecting plate is connected with the first mounting plate.
3. An automotive door lock longitudinal tensile test tool according to claim 2, wherein said door lock securement assembly further comprises a first mounting block mounted to said second mounting plate adapted to suspend said second mounting plate; the lock catch fixing assembly further comprises a second mounting block, and the second mounting block is mounted below the fixing plate and suitable for mounting the fixing plate.
4. An automobile door lock longitudinal tensile test tool according to claim 3,
a pair of long key grooves is arranged on the fixing plate;
the lock catch fixing assembly further comprises a lock catch mounting plate, and the lock catch mounting plate is provided with a mounting part suitable for mounting the lock catch; the lock catch mounting plate is mounted on the fixing plate through a fastener inserted in the long key groove.
5. An automobile door lock longitudinal tensile test tool according to claim 4, characterized in that one end face of the long arm connected with the balancing weight is U-shaped; the connecting part of the long arm and the short arm is provided with a first mounting hole, the fixed support is provided with a second mounting hole, and the first mounting hole and the second mounting hole are suitable for a first connecting rod to be inserted.
6. An automobile door lock longitudinal tensile test tool according to claim 5, characterized in that the end of the short arm is provided with a third mounting hole, one end of the draw bar is provided with a fourth mounting hole, and the third mounting hole and the fourth mounting hole are suitable for inserting a second connecting rod.
7. An automotive door lock longitudinal tensile test tool according to claim 6, wherein said lever ratio of long and short arms is 9: 1.
8. An automobile door lock longitudinal tensile test tool according to claim 7, wherein the counterweight is a weight suspended from the end of the long arm.
9. An automobile door lock longitudinal tensile test tool according to claim 8, characterized in that a support lug is arranged at the end part of the first mounting plate, a fifth mounting hole is arranged on the support lug, a sixth mounting hole is arranged on the traction rod, and the fifth mounting hole and the sixth mounting hole are suitable for inserting a third connecting rod.
10. an automobile door lock longitudinal tensile test tool according to claim 9, wherein a pair of said long keyways are symmetrical about a line drawn by said rocker arm and said drawbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920656386.XU CN209783885U (en) | 2019-05-08 | 2019-05-08 | automobile door lock longitudinal tensile test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920656386.XU CN209783885U (en) | 2019-05-08 | 2019-05-08 | automobile door lock longitudinal tensile test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209783885U true CN209783885U (en) | 2019-12-13 |
Family
ID=68805046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920656386.XU Active CN209783885U (en) | 2019-05-08 | 2019-05-08 | automobile door lock longitudinal tensile test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209783885U (en) |
-
2019
- 2019-05-08 CN CN201920656386.XU patent/CN209783885U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210105538U (en) | Manual double-pull hood lock | |
| CN209783885U (en) | automobile door lock longitudinal tensile test instrument | |
| CN102878162A (en) | Connection device, LED display unit and LED display system | |
| CN101179181A (en) | Squirrel cage type jumper wire spacing rod | |
| JP2018177526A (en) | Vehicle frame for mobile crane and mobile crane | |
| CN210719595U (en) | A restraint device before automobile body for quiet rigidity test of automobile body | |
| CN210318833U (en) | Single-pipe hoisting support structure for underground passage | |
| CN108168858B (en) | Main support beam fatigue test device that subtracts | |
| CN204870420U (en) | Leaf spring U type bolt cushion | |
| CN216643530U (en) | Fixing device of vehicle-mounted monitoring equipment | |
| CN110745688B (en) | Hoisting tool for installing bent pipe | |
| CN219159705U (en) | Self-locking mechanism and self-locking device | |
| CN212909211U (en) | Vehicle-mounted generator fixing device with multiple fixing functions | |
| CN218085494U (en) | Secondary anti-falling suspension structure of bottom air source device | |
| CN215497771U (en) | Synthesize block terminal suspended structure | |
| CN220947560U (en) | Rear suspension assembly of engine | |
| CN213768455U (en) | Support for preventing wire harness interference | |
| CN213008419U (en) | Aluminum alloy lightweight car body material connecting device | |
| CN218581397U (en) | Hinge and vehicle | |
| CN213892720U (en) | White automobile body rear overhang reforms transform positioning structure | |
| CN219498888U (en) | Adjustable support | |
| CN210911988U (en) | Additional battery support behind car with hang function in advance and connection structure thereof | |
| CN219312864U (en) | Mounting bracket and vehicle | |
| CN218316245U (en) | Assembly structure of radiator fan assembly, radiator fan assembly and electric vehicle | |
| CN212646927U (en) | Vibration testing tool for single battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |