CN210692469U - Adjustable transmission hook structure - Google Patents
Adjustable transmission hook structure Download PDFInfo
- Publication number
- CN210692469U CN210692469U CN201921452828.5U CN201921452828U CN210692469U CN 210692469 U CN210692469 U CN 210692469U CN 201921452828 U CN201921452828 U CN 201921452828U CN 210692469 U CN210692469 U CN 210692469U
- Authority
- CN
- China
- Prior art keywords
- connecting frame
- rod
- transmission hook
- connecting rod
- adjustable
- 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
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model relates to an adjustable transmission hook structure, which is arranged on a bracket of an electric leakage release and comprises a connecting frame and a connecting rod, wherein the transmission hook drives a traction rod to act through the connecting rod to release the electric leakage release; the connecting frame and the connecting rod are connected in a split mode and are connected in an adjustable mode through a fastener; the connecting frame is provided with a strip-shaped mounting hole, and the fastener penetrates through the mounting hole to fixedly connect the connecting frame and the connecting rod. Compared with the prior art, the utility model discloses effectively solve because of the unstable clearance undersize between transmission hook and the traction lever that leads to of mechanism's size to the product that leads to can not reliably move the problem under the low-voltage, have advantages such as the good reliability, make simply.
Description
Technical Field
The utility model relates to a leakage release especially relates to a transmission hook structure with adjustable.
Background
The specific working principle of the support and the transmission hook structure used in the existing residual current circuit breaker is that when a coil is electrified, an iron core moves under stress, and the circuit breaker is switched off by moving the transmission hook on the support. The existing electric leakage product has the problem of incapability of part size, and can cause reliable action of part of products when the electric leakage is tested under rated voltage, but the phenomenon of product immobility can occur due to the fact that the distance between a transmission hook of a release and a traction rod is small when the electric leakage is tested under extremely low voltage.
Chinese patent CN204204774U discloses an adjustable transmission hook structure: the transmission hook comprises an ejector rod, a connecting frame and a connecting rod, wherein the ejector rod and the connecting rod are respectively located at two symmetrical ends of the connecting frame, cylindrical erecting rods are respectively arranged on the connecting frame relative to two sides of the ejector rod, a cavity for installation and movement of the transmission hook is formed in the support, U-shaped containing grooves are respectively formed in two sides of the cavity on the support, the transmission hook is arranged in the cavity of the support, and the two erecting rods of the transmission hook are respectively arranged in the symmetrical U-shaped containing grooves. However, in the technology of the patent, the transmission hook is an integrated mechanism, and the gap between the traction rod and the transmission hook cannot be freely adjusted, so that the tripping action under extremely low voltage is not ideal.
Therefore, in order to meet the requirement of controlling the distance between the transmission hook and the traction rod when the transmission hook is installed, a transmission hook structure that the distance between the transmission hook and the traction rod can be freely adjusted needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable transmission hook structure for overcoming the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
an adjustable transmission hook structure is arranged on a support of an electric leakage release and comprises a connecting frame and a connecting rod, wherein the transmission hook drives a traction rod to act through the connecting rod so as to release the electric leakage release; the connecting frame and the connecting rod are connected in a split mode and are connected in an adjustable mode through a fastener;
the connecting frame is provided with a strip-shaped mounting hole, and the fastener penetrates through the mounting hole to fixedly connect the connecting frame and the connecting rod.
The utility model discloses an integral type transmission hook design based on the existing market improves, designs the mounting hole on the link, when installing again, can adjust the distance between traction lever and the transmission hook as required, ensures the reliable action of product, then assembles the two together through the fastener, both can guarantee the distance between traction lever and the transmission hook and satisfy the demands, effectively solves partial product can not the reliable action problem under limit low voltage.
And the connecting frame and the connecting rod are connected through the waist-shaped hole, and a superposed part is arranged between the connecting frame and the connecting rod, so that the length of the part is effectively reduced, and the deformation problem of the part can be effectively controlled.
The waist-shaped hole is a waist-shaped hole.
The fastener is a self-tapping screw.
Through the cooperation of automatic screw and waist type hole, firm in connection is reliable between link and the connecting rod.
The length of the waist-shaped hole is 2-4 mm along the extending direction of the waist-shaped hole; the tail end of the waist-shaped hole is 4-6 mm away from the tail end of the connecting frame, and the optimal distance is 5 mm.
Set up waist type hole on the link and can reduce the intensity of link to connecting rod and connecting rod probably have the unstable condition of connection through waist type jogged joint, it is suitable in order to guarantee the intensity of link, satisfy the requirement of electric leakage release, and guarantee connecting rod and connecting rod stable connection, the utility model discloses optimized the design position in waist type hole and seted up the size, guaranteed whole structural strength and effective regulating distance simultaneously, satisfied operation requirement.
The two sides of the connecting frame are provided with erecting rods which are arranged in the U-shaped accommodating grooves of the support in a matched mode, friction force is reduced, meanwhile, the transmission hook can move along the U-shaped grooves, and distortion cannot occur.
The width of the U-shaped accommodating groove is the same as or slightly larger than the diameter of the erection rod.
The transmission hook structure is connected with a top rod, and the connecting rod and the top rod are respectively positioned at two ends of the connecting frame.
The connecting frame is provided with a mounting hole matched with the ejector rod, and the ejector rod is fixed in the mounting hole.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the connecting frame is provided with the waist-shaped hole, so that the connecting frame is connected with the connecting rod in a split mode, the distance between the transmission hook and the traction rod can be adjusted according to needs, the problem that part of products cannot reliably act under extreme low voltage is effectively solved, and the problem that the transmission hook cannot be tripped and does not act due to inconsistent gears of parts of the transmission hook is solved;
(2) the utility model discloses a whole length of transmission hook structure is less than the transmission hook of current integral type design, can effectively guarantee that the part is indeformable, is favorable to reducing and the traction lever between the friction, simultaneously can guarantee and the traction lever between the effective distance.
Drawings
Fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic diagram of a prior art drive hook;
fig. 4 is a schematic view of an assembly structure of a transmission hook and a traction rod in the leakage release;
in the figure, 1 is a connecting frame, 2 is a connecting rod, 3 is a waist-shaped hole, 4 is an erection rod, 5 is a transmission hook, 6 is a traction rod, and 7 is the distance between the transmission hook and the traction rod.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
An adjustable transmission hook structure is installed on a support of an electric leakage release and comprises a connecting frame 1 and a connecting rod 2, wherein the transmission hook drives a traction rod to act through the connecting rod 2 to enable the electric leakage release to release; the connecting frame 1 and the connecting rod 2 are fixedly connected in an adjustable position, the connecting frame 1 is provided with a mounting hole with a waist-shaped hole 3 structure, and as shown in figure 2, a self-tapping screw penetrates through the waist-shaped hole 3 to fixedly connect the connecting frame 1 and the connecting rod; along the extending direction of waist type hole 3, the length of waist type hole 3 is 4mm, and the distance of the end of waist type hole 3 apart from the end of link 1 is 5mm, and its intensity is ensured in this way to the design, guarantees its effective regulation distance simultaneously.
The two sides of the connecting frame 1 of the transmission hook are provided with the erection rods 4, the erection rods 4 are arranged in the U-shaped containing grooves of the support in a matched mode, the width of each U-shaped containing groove is the same as or slightly larger than the diameter of the erection rod 4, friction force is reduced, the transmission hook can move along the U-shaped grooves, and distortion cannot occur. The transmission hook is connected with an ejector rod, the connecting rod 2 and the ejector rod are respectively positioned at two ends of the connecting frame 1, a mounting hole matched with the ejector rod is formed in the connecting frame 1, and the ejector rod is fixed in the mounting hole.
As shown in fig. 3, a connecting frame 1 and a connecting rod 2 of a transmission hook 5 in the prior art are of an integrated structure, and the distance between the connecting frame 1 and the connecting rod 2 cannot be adjusted, because the installation position of the connecting frame 1 on the support of the leakage release is determined, when the transmission hook 5 in the prior art is installed on the support of the leakage release, the distance between the connecting rod 2 and a traction rod 6 of the transmission hook 5 is limited by the overall size of the transmission hook 5, as shown by a distance 7 between the transmission hook and the traction rod in fig. 4, for a product tested under an extremely low voltage, the phenomenon that a product is not released due to the fact that the distance 7 between the transmission hook of the release and the traction rod is small can occur, and the reliability is not high.
In the split structure in the embodiment, the installation position between the connecting frame 1 and the connecting rod 2 in the transmission hook can be adjusted, and the distance between the transmission hook and the traction rod can be adjusted during installation, so that the problem that part of products cannot reliably act at a low limit voltage can be effectively solved, the length of split parts is reduced, and the problem of part deformation can be effectively controlled.
The transmission hook of this implementation can guarantee that electric leakage product can reliably move under the low voltage, adopts split type transmission hook design, can effectively solve because of the transmission hook that mechanism's size is unstable leads to and the traction lever between the clearance undersize to the product that leads to can not reliably move the problem under the low voltage, make the reliability of product stronger.
Example 2
The structure of this embodiment is substantially the same as that of embodiment 1, except that the shape and size of the waist-shaped hole 3 on the specific connecting frame 1, in this embodiment, the length of the waist-shaped hole 3 is 2mm, and the distance from the end of the waist-shaped hole 3 to the end of the connecting frame 1 is 4mm, so that the design ensures the strength thereof, and simultaneously ensures the effective adjustment distance thereof.
Example 3
The structure of this embodiment is substantially the same as that of embodiment 1, except that the shape and size of the waist-shaped hole 3 on the specific connecting frame 1, in this embodiment, the length of the waist-shaped hole 3 is 4mm, and the distance from the end of the waist-shaped hole 3 to the end of the connecting frame 1 is 6mm, so that the design ensures the strength thereof, and simultaneously ensures the effective adjustment distance thereof.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. An adjustable transmission hook structure is arranged on a support of an electric leakage release and comprises a connecting frame and a connecting rod, wherein the transmission hook drives a traction rod to act through the connecting rod to release the electric leakage release; it is characterized in that the preparation method is characterized in that,
the connecting frame and the connecting rod are connected in a split mode and are connected in an adjustable mode through a fastener;
the connecting frame is provided with a strip-shaped mounting hole, and the fastener penetrates through the mounting hole to fixedly connect the connecting frame and the connecting rod.
2. The adjustable drive hook construction as claimed in claim 1, wherein the mounting hole is a kidney-shaped hole.
3. The adjustable drive hook construction as claimed in claim 2, wherein the fastener is a self-tapping screw.
4. The adjustable transmission hook structure as claimed in claim 2, wherein the length of the waist-shaped hole is 2-4 mm along the extending direction of the waist-shaped hole, and the distance from the end of the waist-shaped hole to the end of the connecting frame is 4-6 mm.
5. The adjustable drive hook structure as claimed in claim 1, wherein the connecting frame is provided with a mounting rod at both sides thereof, and the mounting rod is fittingly mounted in the U-shaped receiving groove of the bracket.
6. An adjustable drive hook construction according to claim 5 wherein the width of the U-shaped receiving slot is the same as or slightly greater than the diameter of the bridging rod.
7. The adjustable drive hook structure of claim 1, wherein the drive hook structure is connected to a ram, and the connecting rod and ram are located at opposite ends of the connecting frame.
8. The adjustable transmission hook structure as claimed in claim 7, wherein the connecting frame is provided with a mounting hole matching with the top bar, and the top bar is fixed in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452828.5U CN210692469U (en) | 2019-09-03 | 2019-09-03 | Adjustable transmission hook structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452828.5U CN210692469U (en) | 2019-09-03 | 2019-09-03 | Adjustable transmission hook structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692469U true CN210692469U (en) | 2020-06-05 |
Family
ID=70903644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921452828.5U Active CN210692469U (en) | 2019-09-03 | 2019-09-03 | Adjustable transmission hook structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692469U (en) |
-
2019
- 2019-09-03 CN CN201921452828.5U patent/CN210692469U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210692469U (en) | Adjustable transmission hook structure | |
| US20090128271A1 (en) | Solenoid | |
| CN112436328B (en) | Connector assembly with quick-disassembly clamping structure | |
| CN211605054U (en) | Insulating pull rod assembly fixture | |
| CN214492225U (en) | Labor-saving binder clip | |
| CN117810029A (en) | High-voltage direct-current relay | |
| CN213958890U (en) | Circuit breaker linkage structure | |
| CN208284445U (en) | A kind of instantaneous adjustable tripping device and its mold cased circuit breaker | |
| CN2295325Y (en) | Cutting device of pedal beak cutter | |
| CN219476570U (en) | Easy-to-assemble reverse output type permanent magnet operating mechanism | |
| CN205282380U (en) | Permanent magnet operating mechanism | |
| CN210692472U (en) | Permanent magnetic mechanism | |
| CN208368432U (en) | A kind of shell of suction type relay | |
| CN216849801U (en) | Low-voltage circuit breaker for power system maintenance | |
| CN216067297U (en) | Split pin mounting tool on U-shaped suspension loop | |
| CN219575480U (en) | Stable switch contact connector | |
| CN219477338U (en) | Assembled multi-box distribution box | |
| CN219873353U (en) | Counterforce spring, armature spring assembly and relay | |
| CN214786466U (en) | Middle hardware fitting of insulating cross arm | |
| CN220085939U (en) | Limiting structure of connecting shaft and contactor | |
| CN220042516U (en) | Conductive busbar | |
| CN204144169U (en) | The syndeton of coil rack and flat quick-connect termination | |
| CN218038991U (en) | ATS conversion assembly based on medium-voltage circuit breaker | |
| CN220873495U (en) | Combined breaker | |
| CN214956716U (en) | Electromagnetic release with low power consumption, strong stability and long service life |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |