CN216613926U - Staggered tooth and opposite vertex dual-purpose holding fork - Google Patents
Staggered tooth and opposite vertex dual-purpose holding fork Download PDFInfo
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- CN216613926U CN216613926U CN202123182609.XU CN202123182609U CN216613926U CN 216613926 U CN216613926 U CN 216613926U CN 202123182609 U CN202123182609 U CN 202123182609U CN 216613926 U CN216613926 U CN 216613926U
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- seat
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Abstract
The utility model relates to a holding fork, aiming at solving the problem that the conventional staggered-tooth and opposite-vertex dual-purpose holding fork is difficult to switch under two modes, the utility model constructs a staggered-tooth and opposite-vertex dual-purpose holding fork, which comprises upper fork teeth, a lower fork body and an oil cylinder, wherein the lower fork body comprises a main body, the left side and the right side of the top of the main body are respectively provided with an upper fork hinged seat, the lower part of the main body is provided with the lower fork teeth extending forwards, the upper fork hinged seat at each side is hinged and connected with the upper fork tooth seat through a pin shaft, the upper fork tooth seat is connected with the upper end of the oil cylinder, and the lower end of the oil cylinder is connected with the main body; the rear end of the upper fork tooth can be connected with the upper fork tooth seat in a left-right sliding mode, and when the rear end of the upper fork tooth is located in the left position and the right position in the upper fork tooth seat, the upper fork tooth and the lower fork tooth are in a top-aligning mode and a staggered tooth mode respectively. According to the utility model, when the holding fork is switched between the opposite-top state and the staggered teeth state, the position of the upper fork tooth is only required to be moved on the upper fork tooth seat, and the upper fork tooth and the oil cylinder are not required to be disassembled and assembled, so that the holding fork is conveniently, simply and quickly switched between the opposite-top state and the staggered teeth state.
Description
Technical Field
The utility model relates to a holding fork, in particular to a holding fork which can be switched between a staggered tooth mode and an opposite vertex mode to realize dual purposes.
Background
The holding fork is composed of an upper fork tooth and a lower fork body, and the upper fork tooth can rotate around a pin shaft through pin shaft connection and oil cylinder driving, so that the material is clamped. According to different specific use working conditions, the holding fork has the difference between a butt holding fork and a staggered tooth holding fork. Structurally, the middle surface of the upper fork tooth of the opposite-top holding fork is superposed with the middle surface of the lower fork tooth of the lower fork body on the same side, when the upper fork tooth rotates downwards, the front end of the upper fork tooth collides with the front end of the lower fork tooth to form an opposite-top posture, and therefore the opposite-top holding fork is called. The middle surface of the upper fork tooth of the staggered tooth embracing fork is not superposed with the middle surface of the lower fork tooth at the same side, and a certain distance is reserved between the two middle surfaces. Therefore, when the upper fork tooth rotates downwards, the upper fork tooth does not collide with the front end of the lower fork tooth, but is staggered with the lower fork tooth and then continues to move downwards until the upper fork tooth collides with the limiting block.
The opposite-top holding fork and the staggered-tooth holding fork have different minimum holding diameters and are suitable for clamping operation with different materials. In order to adapt to two working conditions, the holding fork capable of simultaneously realizing two functions of opposite vertex and staggered teeth appears in recent years. The rear parts of the left upper fork body and the right upper fork body of the dual-purpose holding fork are provided with offset structures, the two upper fork teeth are arranged in mirror symmetry with respect to the middle plane of the holding fork, and the switching between the butt holding fork and the staggered tooth holding fork can be realized by exchanging the left upper fork body and the right upper fork body.
For the existing dual-purpose holding fork, the upper fork teeth are exchanged, and even the oil cylinders connected with the upper fork teeth need to be exchanged. Because the upper fork teeth and the oil cylinder are connected with the lower fork body through the pin shaft, the pin shaft needs to be taken out when the upper fork teeth and the oil cylinder are exchanged; meanwhile, the size and the weight of the upper fork teeth are large, and a hoisting tool is needed during exchange, so that the existing dual-purpose holding fork has the problem of difficult exchange.
SUMMERY OF THE UTILITY MODEL
The utility model provides a staggered tooth and opposite vertex dual-purpose holding fork, which is convenient for switching and reduces the switching difficulty and the workload.
The technical scheme for realizing the purpose of the utility model is as follows: the staggered tooth and opposite vertex dual-purpose holding fork is constructed and comprises an upper fork tooth, a lower fork body and an oil cylinder, wherein the lower fork body comprises a main body, the left side and the right side of the top of the main body are respectively provided with an upper fork hinged seat, and the lower part of the main body is provided with a lower fork tooth extending forwards; the rear end of the upper fork tooth is connected with the upper fork tooth seat in a left-right sliding mode, and when the rear end of the upper fork tooth is located in the left position and the right position in the upper fork tooth seat, the upper fork tooth and the lower fork tooth are in a top-aligning mode and a staggered tooth mode respectively. According to the utility model, when the holding fork is switched between the opposite-top state and the staggered teeth state, the position of the upper fork tooth is only required to be moved on the upper fork tooth seat, and the upper fork tooth and the oil cylinder are not required to be disassembled and assembled, so that the holding fork is conveniently, simply and quickly switched between the opposite-top state and the staggered teeth state.
In the staggered-tooth and opposite-top dual-purpose holding fork, the upper fork tooth seat mainly comprises two parallel plates arranged in parallel at intervals and a supporting piece connected between the two parallel plates, at least one sliding rod with the end part fixedly connected with the parallel plates is arranged between the two parallel plates, the upper fork tooth is provided with a hole through the rear part of the upper fork tooth, and the sliding rod is inserted into the hole at the rear part of the upper fork tooth.
In the staggered-tooth and opposite-vertex dual-purpose holding fork, more than two cylindrical sliding rods which are parallel to each other are arranged in each upper fork tooth seat. Or each upper fork tooth seat is provided with a columnar sliding rod, and the upper fork tooth seat is provided with a limiting part for limiting the upper fork tooth to rotate around the sliding rod. The limiting part is in limiting contact connection with the rear end face of the upper fork tooth or in contact connection with the upper side face and the lower side face of the upper fork tooth.
In the staggered tooth and opposite vertex dual-purpose holding fork, a fixing mechanism for fixing the position of the upper fork tooth is arranged between the upper fork tooth and the upper fork tooth seat. The fixing mechanism is composed of a pin which is arranged on the rear end of the upper fork tooth and is in radial vertical contact with the sliding rod. Or the fixing mechanism is composed of two bolts which are respectively positioned at the left side and the right side of the upper fork tooth and are in threaded fit with the corresponding parallel plates, and the end parts of the bolts are in contact connection with the side surfaces of the upper fork tooth.
In the staggered tooth and opposite vertex dual-purpose holding fork, the upper fork tooth seat is provided with a push-pull mechanism for pushing the upper fork teeth to move left and right. The push-pull mechanism comprises a screw rod which is parallel to the slide rod and is in threaded fit with a parallel plate on one side of the upper fork tooth holder, a rotating handle is fixedly installed at one end of the screw rod, and the other end of the screw rod is connected with the upper fork tooth holder.
Compared with the prior art, in the utility model, when the holding fork is switched between the opposite-vertex state and the staggered tooth state, the position of the upper fork tooth is only required to be moved on the upper fork tooth seat, and the upper fork tooth and the oil cylinder are not required to be disassembled and assembled, so that the holding fork is conveniently, simply and quickly switched between the opposite-vertex state and the staggered tooth state.
Drawings
FIG. 1 is a schematic view of the present invention with the fork in a butt-top position.
FIG. 2 is a rear view of the present invention with the fork in a butt-top position.
FIG. 3 is a cross-sectional view of the upper fork tine and the upper tine seat of the embracing fork of the present invention.
FIG. 4 is a schematic view of the present invention when the opposite ends of the fork and the staggered teeth are switched.
Part names and serial numbers in the figure:
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
As shown in fig. 1 to 4, the embracing fork in the present embodiment is a dual-purpose embracing fork with staggered teeth and opposite vertex, and the embracing fork includes an upper fork tooth 1, a lower fork body, and an oil cylinder 4. The lower fork body comprises a main body 2, upper fork hinge seats 22 are arranged on the left side and the right side of the top of the main body 2, lower fork teeth 21 extending forwards are arranged on the lower portions of the upper fork hinge seats 22, and an upper fork tooth seat 3 is hinged to the upper fork hinge seats 22 on each side through a first pin shaft 51.
As shown in fig. 2, the upper fork tine mount 3 is mainly composed of two parallel plates 31 arranged in parallel at a distance and a supporting member, which may be a supporting plate or a supporting rod, etc., connected between the two parallel plates 31 to form a space between the parallel plates 31 for accommodating the rear end of the upper fork tine 1.
As shown in fig. 3, the upper fork tooth seat 3 is connected with the upper fork hinge seat 22 through a first pin shaft 51, and is connected with the upper end of the oil cylinder 4 through a second pin shaft 52, the lower end of the oil cylinder 4 is connected with the main body 2, and the oil cylinder 4 stretches and retracts to push the upper fork tooth seat 3 to swing up and down around the first pin shaft 51.
Two sliding rods 32 are arranged on the upper fork tooth seat 3 on each side, the sliding rods 32 are parallel to each other and run left and right, two ends of the sliding rods 32 are fixedly connected with the parallel plates 31 through bolts, and the sliding rods 32 can be used as supporting pieces for connecting the two parallel plates 31. Two holes are formed in the rear end of each upper fork tooth 1, the two holes correspond to the two sliding rods 32, and the sliding rods 32 penetrate through the corresponding holes to realize connection of the upper fork tooth 1 and the upper fork tooth seat 3. The upper fork tooth 1 is connected with the upper fork tooth seat 3 through the sliding rod 32, so that the upper fork tooth 1 can move left and right on the sliding rod relative to the tooth seat 3, and can swing up and down around the first pin shaft 51 along with the upper fork tooth seat 3, and the opening and closing of the holding fork are realized. As shown in fig. 2, a fixing mechanism for fixing the position of the upper tine is provided between the upper tine 1 and the upper tine seat 3, and the fixing mechanism is constituted by a pin 33 provided at the rear end of the upper tine and vertically contacting the sliding rod in the radial direction. The pin 33 may be a bolt, or a fastener such as a screw or pin. When the radial end of the pin 33 is in contact with the surface of the rod 32, the pin fixes the relative position between the upper tine and the rod, and when the end of the pin is out of contact with the rod, the upper tine can slide on the rod and move from one end to the other under the action of external force.
In this embodiment, the fixing mechanism may be composed of two bolts respectively located at the left and right sides of the upper fork and in threaded engagement with the corresponding parallel plates, and the ends of the bolts are in contact connection with the side surfaces of the upper fork. When the upper fork tooth needs to stay at the right end of the sliding rod, the bolt on the left parallel plate is rotated to limit the upper fork tooth, so that the upper fork tooth cannot move towards the left side relative to the upper fork tooth seat.
In order to facilitate the movement of the upper fork teeth on the sliding rod, a push-pull mechanism for pushing the upper fork teeth to move left and right can be further installed on the upper fork tooth seat on each side. For example, the push-pull mechanism comprises a screw rod which is parallel to the slide rod and is in threaded fit with a parallel plate on one side of the upper fork tooth holder, one end of the screw rod is fixedly provided with a rotating handle, and the other end of the screw rod is connected with the upper fork tooth holder. When the screw rod rotates, the screw rod moves axially relative to the parallel plates, and the end of the screw rod, which is in contact with the upper fork teeth, pushes or pulls the upper fork teeth to slide on the sliding rod, so that the upper fork teeth move from one end of the sliding rod to the other end of the sliding rod.
As shown in fig. 4, when the holding fork in this embodiment needs to be changed from the opposite-top state (the upper fork tooth is in a dotted line state in the figure) to the staggered tooth state (the upper fork tooth is in a solid line state in the figure), the fixing mechanism between the upper fork tooth and the upper fork tooth seat is released, then the upper fork tooth is moved in the arrow direction in the figure, and after the upper fork tooth is moved in place, the upper fork tooth and the upper fork tooth seat are locked through the fixing mechanism. When the shifting from the staggered teeth state to the opposite teeth state is required, the upper fork teeth are moved in the opposite direction after the locking is released, and then the locking is carried out.
In the holding fork, one sliding rod can be arranged in each upper fork tooth seat, the sliding rod is columnar, and the upper fork tooth seat is provided with a limiting part for limiting the upper fork teeth to rotate around the sliding rod. The limiting part is in limiting contact connection with the rear end face of the upper fork tooth or in contact connection with the upper side face and the lower side face of the upper fork tooth.
In the holding fork, when the holding fork is switched between the opposite-vertex state and the staggered tooth state, the hinged pin shaft and the oil cylinder do not need to be disassembled, and only the upper fork tooth on the upper fork tooth seat needs to be moved, so that the holding fork is switched between the opposite-vertex state and the staggered tooth state conveniently, simply and quickly, and the labor intensity is low.
Claims (10)
1. A staggered tooth and opposite vertex dual-purpose holding fork comprises upper fork teeth, a lower fork body and an oil cylinder, wherein the lower fork body comprises a main body, the left side and the right side of the top of the main body are both provided with upper fork hinged seats, and the lower part of the main body is provided with lower fork teeth extending forwards; the rear end of the upper fork tooth is connected with the upper fork tooth seat in a left-right sliding mode, and when the rear end of the upper fork tooth is located in the left position and the right position in the upper fork tooth seat, the upper fork tooth and the lower fork tooth are in a top-aligning mode and a staggered tooth mode respectively.
2. The staggered tooth and opposite vertex dual-purpose embracing fork according to claim 1, wherein the upper fork tooth seat mainly comprises two parallel plates arranged in parallel at intervals and a supporting piece connected between the two parallel plates, at least one sliding rod with an end part fixedly connected with the parallel plates is arranged between the two parallel plates, the upper fork tooth is provided with a hole through the rear part of the upper fork tooth, and the sliding rod is inserted into the hole at the rear part of the upper fork tooth.
3. The dual-purpose fork of claim 2, wherein more than two parallel cylindrical sliding rods are provided in each upper fork tooth holder.
4. The staggered tooth and opposite vertex dual-purpose holding fork as claimed in claim 2, wherein each upper fork tooth seat is provided with a columnar sliding rod, and the upper fork tooth seat is provided with a limiting part for limiting the upper fork tooth to rotate around the sliding rod.
5. The staggered tooth and opposite vertex dual-purpose embracing fork as claimed in claim 4, wherein the limiting part is in limiting contact connection with the rear end surface of the upper fork tooth or in contact connection with the upper side surface and the lower side surface of the upper fork tooth.
6. A staggered tooth and opposite vertex dual-purpose embracing fork according to any one of claims 2 to 5, wherein a fixing mechanism for fixing the position of the upper fork tooth is arranged between the upper fork tooth and the upper fork tooth seat.
7. The staggered tooth and opposite vertex dual-purpose embracing fork as defined in claim 6, wherein the fixing mechanism is constituted by a pin disposed on a rear end of the upper fork tooth and in radial perpendicular contact with the slide bar.
8. The staggered tooth and opposite vertex dual-purpose embracing fork as claimed in claim 6, wherein the fixing mechanism is composed of two bolts which are respectively positioned at the left side and the right side of the upper fork tooth and are in threaded fit with the corresponding parallel plates, and the ends of the bolts are in contact connection with the side surfaces of the upper fork tooth.
9. The staggered tooth and opposite vertex dual-purpose embracing fork according to any one of claims 2 to 5, wherein a push-pull mechanism for pushing the upper fork teeth to move left and right is installed on the upper fork tooth holder.
10. The staggered tooth and opposite vertex dual-purpose embracing fork as claimed in claim 9, wherein the push-pull mechanism comprises a screw rod which is parallel to the slide rod and is in threaded fit with a parallel plate on one side of the upper fork tooth seat, one end of the screw rod is fixedly provided with a rotating handle, and the other end of the screw rod is connected with the upper fork tooth seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123182609.XU CN216613926U (en) | 2021-12-17 | 2021-12-17 | Staggered tooth and opposite vertex dual-purpose holding fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123182609.XU CN216613926U (en) | 2021-12-17 | 2021-12-17 | Staggered tooth and opposite vertex dual-purpose holding fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216613926U true CN216613926U (en) | 2022-05-27 |
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ID=81702686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123182609.XU Active CN216613926U (en) | 2021-12-17 | 2021-12-17 | Staggered tooth and opposite vertex dual-purpose holding fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216613926U (en) |
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2021
- 2021-12-17 CN CN202123182609.XU patent/CN216613926U/en active Active
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