CN111944929B

CN111944929B - Deerskin holder

Info

Publication number: CN111944929B
Application number: CN202010844784.1A
Authority: CN
Inventors: 李春义
Original assignee: Changchun University of Science and Technology
Current assignee: Changchun University of Science and Technology
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-29
Anticipated expiration: 2040-08-20
Also published as: CN111944929A

Abstract

The invention relates to the field of biological experiment devices, and particularly discloses a deerskin holder which comprises a base, wherein a fixed clamping head and a movable clamping head are arranged on the base, the movable clamping head is connected with the base in a sliding manner, an adjusting mechanism is further arranged on the base, the adjusting mechanism is connected with the movable clamping head, the adjusting mechanism adjusts the distance between the fixed clamping head and the movable clamping head, and clamping structures for clamping deerskin are arranged on the fixed clamping head and the movable clamping head. The elastic deer skin tensioning device has the advantages that the fixed clamping head and the movable clamping head are respectively used for clamping two ends of the deer skin, when the elastic deer skin tensioning device is used, one end of the deer skin is clamped on the fixed clamping head firstly, then the fixed clamping head is clamped on the movable clamping head, the deer skin needs to be tensioned after the two ends of the deer skin are clamped, the elastic deer skin tensioning device achieves tensioning of the deer skin by adjusting the distance between the movable clamping head and the fixed clamping head, the operation is simple, and uniform cutting thickness of the deer skin is ensured without damaging hair follicles.

Description

Deerskin holder

Technical Field

The invention relates to the field of biological experiment devices, in particular to a deerskin gripper.

Background

Cornu Cervi Pantotrichum is an accessory organ of male Cervidae, and starts to grow when entering adolescence. Research shows that the growth of the antler depends on the periosteum of the future antler growing area. Removing periosteum before cornu Cervi Pantotrichum occurs, and removing potential of cornu Cervi Pantotrichum in cornu Cervi Pantotrichum producing area; if the periosteum is transplanted to the subcutaneous part of other parts of deer body, the occurrence of ectopic deer antler can be induced. This periosteum is therefore called trichogenous periosteum (AP). The AP of a non-antler-producing area can induce the generation of at most two ectopic deer antlers after being transplanted under the skin. Further studies have shown that: AP to initiate deer antler initiation must interact with the overlying skin, where the cuticle of the deer skin is induced into a deer skin cuticle, which is mediated by hair follicle papilla cells in the dermis. If AP tissue is directly transplanted to the lower part of a hair follicle in the dermis under the condition of vitro, then each dermal small pocket with embedded AP tissue is completely cut off and transplanted to the head of an immunodeficiency mouse (a nude mouse), the AP tissue quantity of one part can induce the generation of 12 xenogenous deer antlers. This finding provides the possibility of studying the interaction between antler-producing tissues and the skin, isolating and identifying the interacting substances, and verifying whether a certain gene is related to the generation and regeneration of antler (the only organ of a mammal that can completely regenerate). In order to induce the growth of xenogenous deer antler by intradermal transplantation of AP tissue, a small pocket of deer skin dermis must be created using a scalpel ex vivo. However, the process of making a small pocket of deerskin's dermis is hardly completed without a holder capable of properly tightening deerskin. This is mainly because the deer skin is soft, thin (< 2 mm) and tough, and very difficult to cut.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a deerskin holder.

The purpose of the invention is realized by the following technical scheme: the utility model provides a deerskin holder, includes the base, the base on be provided with fixed holding head and activity holding head, activity holding head with base sliding connection, the base on still be provided with guiding mechanism, guiding mechanism connects activity holding head, guiding mechanism adjust the distance between fixed holding head and the activity holding head, fixed holding head and activity holding head on all be provided with clamping structure and be used for the centre gripping deerskin.

Specifically, guiding mechanism include fixed plate and lead screw, the fixed plate on be provided with the through-hole, the lead screw pass behind the through-hole with activity centre gripping head threaded connection, the lead screw be located the fixed plate and deviate from one end threaded connection of activity centre gripping head and have the nut of screwing.

Specifically, a compression spring is sleeved on the screw rod between the fixed plate and the movable clamping head.

Specifically, the base on be provided with the slip slot, the bottom of activity centre gripping head set up the arch, the arch arrange in slip slot in with slip slot sliding connection.

Specifically, bellied bottom threaded connection has two at least set screws, the cover is equipped with slide damper on the set screw, slide damper's top is supported the bottom of base.

The clamping structure comprises a fixed clamping head pressing plate and a movable clamping head pressing plate, the fixed clamping head pressing plate is connected to the fixed clamping head through a pressing plate fastening screw, and the movable clamping head pressing plate is connected to the movable clamping head through a pressing plate fastening screw.

Specifically, the surfaces of the movable clamping head pressing plate and the movable clamping head which are opposite to each other and the surfaces of the fixed clamping head pressing plate and the fixed clamping head which are opposite to each other are provided with clamping teeth.

Specifically, a fixed clamping head extension mechanism is arranged between the fixed clamping head pressing plate and the fixed clamping head, and a movable clamping head extension mechanism is arranged between the movable clamping head pressing plate and the movable clamping head; the clamping device is characterized in that mounting grooves are formed in the opposite surfaces of the fixed clamping head pressing plate and the fixed clamping head, the fixed clamping head extending mechanism comprises a transmission lead screw, threads with opposite screwing directions are arranged at the two ends of the transmission lead screw, moving blocks are connected to the two ends of the transmission lead screw in a threaded transmission mode, two pull rods are symmetrically arranged on the moving blocks, one end of each pull rod is hinged to the moving block, the other end of each pull rod is rotatably connected with a roller, sliding grooves are formed in the mounting grooves of the fixed clamping head pressing plate and the fixed clamping head, the two rollers connected to the same moving block are respectively in sliding connection with the sliding grooves formed in the mounting grooves of the fixed clamping head pressing plate and the fixed clamping head, and the structure of the fixed clamping head extending mechanism is the same as that of the movable clamping head extending mechanism.

Specifically, the pull rod is articulated with the sliding block in the one end of keeping away from the setting movable block, the gyro wheel rotate and set up on the sliding block, the sliding block slide and set up in the spout.

The invention has the following advantages:

1. the fixed clamping head and the movable clamping head are respectively used for clamping two ends of the deerskin, wherein when the deerskin cutting device is used, one end of the deerskin is clamped on the fixed clamping head and then clamped on the movable clamping head, and the deerskin needs to be tensioned after the two ends of the deerskin are clamped.

2. According to the invention, the fixed clamping head extending mechanism is arranged between the fixed clamping head pressing plate and the fixed clamping head, so that the deer skin in a coiled state can be extended when being clamped, and the clamped deer skin is in a flat state when being tensioned.

Drawings

FIG. 1 is a schematic cross-sectional view of an apparatus according to a first embodiment of the present invention;

FIG. 2 is a schematic top view of an apparatus according to a first embodiment of the present invention;

FIG. 3 is a schematic bottom structure of an apparatus according to a first embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a fixed clamping head extension mechanism according to a second embodiment of the present invention;

FIG. 5 is a schematic side view of the fixed clamping head spreader mechanism according to the second embodiment of the present invention;

in the figure: 1-base, 2-fixed clamping head, 3-movable clamping head, 4-fixing plate, 5-screw rod, 6-screwing nut, 7-sliding groove, 8-compression spring, 9-fixing screw, 10-sliding baffle, 11-fixed clamping head pressing plate, 12-movable clamping head pressing plate, 13-pressing plate fastening screw, 14-operating rod, 15-roller, 16-mounting groove, 17-sliding block, 18-transmission screw rod, 19-moving block, 20-pull rod and 21-sliding groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.

The first embodiment,

As shown in fig. 1-3, a deer skin holder, includes base 1, base 1 on be provided with fixed holding head 2 and activity holding head 3, activity holding head 3 with base 1 sliding connection, base 1 on still be provided with guiding mechanism, guiding mechanism connects activity holding head 3, guiding mechanism adjust the distance between fixed holding head 2 and the activity holding head 3, fixed holding head 2 and activity holding head 3 on all be provided with clamping structure and be used for the centre gripping deer skin. The technical scheme is that a fixed clamping head 2 and a movable clamping head 3 are respectively used for clamping two ends of the deerskin, wherein when in use, one end of the deerskin is clamped on the fixed clamping head 2 and then clamped on the movable clamping head 3, the deerskin needs to be tensioned after the two ends of the deerskin are clamped, the tensioning of the deerskin is realized by adjusting the distance between the movable clamping head 3 and the fixed clamping head 2, when in specific implementation, the fixed clamping head 2 is fixed on a base 1 through bolts, the position of the fixed clamping head is relatively fixed, the movable clamping head 3 is driven to move on the base 1 through an adjusting mechanism to adjust the distance between the movable clamping head 3 and the fixed clamping head 2, the movable clamping head 3 and the fixed clamping head 2 are symmetrically arranged, the deerskin can be kept to be stretched and tensioned in a straight line during adjustment, the adjusting mechanism can adjust the distance between the movable clamping head 3 and the fixed clamping head 2 according to the deerskin with different lengths, the method has the advantages that the applicability is wide, the adjustment is flexible, the corium cervi can be manufactured by using the scalpel after the corium cervi is tensioned, the corium cervi pocket is manufactured by cutting the corium cervi along the thickness of the corium cervi to form a pocket, AP tissues are filled in the pocket after the pocket is manufactured, then the opening of the pocket is sewn, the whole pocket is cut off from the corium cervi, the pocket filled with the AP tissues can be transplanted to a nude mouse, and in the process, the corium cervi can be kept in a tensioned state all the time.

Further, guiding mechanism include fixed plate 4 and lead screw 5, fixed plate 4 on the through-hole, lead screw 5 pass behind the through-hole with 3 threaded connection of activity holding head, lead screw 5 be located fixed plate 4 one end threaded connection who deviates from activity holding head 3 and have nut 6 of screwing, the cover is equipped with compression spring 8 on the lead screw 5 between fixed plate 4 and the activity holding head 3. In the scheme, the adjusting mechanism is adjusted by adopting a screw rod 5 transmission mode, a fixing plate 4 is arranged on a base 1, the screw rod 5 is arranged in a through hole of the fixing plate 4 and is not in threaded connection with the fixing plate 4 but only penetrates through the fixing plate, the screw rod 5 is movably arranged in the through hole, two ends of the screw rod 5 are positioned at two sides of the fixing plate 4, one end of the screw rod 5 is in threaded connection with a movable clamping head 3, the other end of the screw rod 5 is in threaded connection with a screwing nut 6, the screwing nut 6 is rotated during adjustment, the screw rod 5 moves along a straight line under the rotation action of the screwing nut 6, the screw rod 5 moves to drive the movable clamping head 3 to move, so that the distance between the movable clamping head 3 and the fixed clamping head 2 can be adjusted, when the deerskin is tensioned, the screwing nut 6 is rotated to drive the movable clamping head 3 to be far away from the fixed clamping head, compression spring 8 is compressed, the terminal surface of the nut of screwing like this is hugged closely on fixed plate 4, when needs make the distance between activity holding head 3 and the fixed holding head 2 reduce, reverse rotation nut 6 of screwing, under compression spring 8's restoring force effect, it is close to fixed holding head 2 to drive activity holding head 3, the distance has just so reduced and just can carry out the clamping once more, for the convenience of rotatory nut 6 of screwing, this scheme sets up a plurality of action bars 14 on nut 6's the terminal surface of screwing, rotatory action bar 14 just can rotate nut 6 of screwing, the guiding mechanism of this scheme of adoption adjusts the distance between activity holding head 3 and the fixed holding head 2, and is easy to operate, and is single to operate.

Furthermore, the base 1 is provided with a sliding groove 7, the bottom of the movable clamping head 3 is provided with a protrusion, and the protrusion is arranged in the sliding groove 7 and is in sliding connection with the sliding groove 7. The movable clamping head 3 is in sliding fit with the base 1, and various sliding modes can be adopted, for example, a sliding block and guide rail mode is adopted, the sliding mode is high in precision, but the cost is the same, the movable clamping head 3 does not need high precision when the base 1 moves, so that the movable clamping head 3 slides by adopting a sliding groove 7 guiding mode, a protrusion is arranged at the bottom of the movable clamping head 3, and when the screw rod 5 drives the movable clamping head 3 to move, the protrusion slides along the sliding groove 7 in the sliding groove 7, so that the movable clamping head 3 is guided, the structure is simple, and the reliability is high.

Further, bellied bottom threaded connection has two at least set screws 9, the cover is equipped with slide damper 10 on the set screws 9, slide damper 10's top is supported the bottom of base 1. The 3 bottoms of activity holding head set up protruding spacing with slip slot 7 sliding fit's mode has realized the horizontal direction, but vertical direction is not restricted, protruding probably breaks away from slip slot 7 when using, consequently, in order to restrict the removal of its vertical direction, this scheme is provided with a sliding damper 10 in the bottom of base 1, set screw 9 passes behind sliding damper 10 with the protruding threaded connection in the slip slot 7, just so can restrict the removal of 3 vertical directions of activity holding head, be provided with a recess in the bottom of base 1, slip slot 7 intercommunication recess, sliding damper 10 sets up in the recess, can drive sliding damper 10 and remove together when activity holding head 3 removes.

Furthermore, the clamping structure comprises a fixed clamping head pressing plate 11 and a movable clamping head pressing plate 12, wherein the fixed clamping head pressing plate 11 is connected to the fixed clamping head 2 through a pressing plate fastening screw 13, and the movable clamping head pressing plate 12 is connected to the movable clamping head 3 through a pressing plate fastening screw 13. Make fixed clamping head clamp plate 11 and fixed clamping head 2 fastening laminating just can be with the one end centre gripping of deerskin between fixed clamping head clamp plate 11 and fixed clamping head 2 through clamp plate fastening screw 13 in this scheme, equally, it makes movable clamping head clamp plate 12 and the laminating of activity clamping head 3 just can be moving the one end centre gripping of deerskin between clamp plate 12 and the activity clamping head 3 to screw up clamp plate fastening screw 13, through such centre gripping mode easy operation, alone just can operate.

Furthermore, the surfaces of the movable clamping head pressing plate 12 and the movable clamping head 3 which are opposite to each other and the surfaces of the fixed clamping head pressing plate 11 and the fixed clamping head 2 which are opposite to each other are provided with clamping teeth, and the clamping teeth are arranged to enable the deer skin to be clamped more stably.

Example II,

As shown in fig. 1 to 5, on the basis of the first embodiment, a fixed clamping head extending mechanism is arranged between the fixed clamping head pressing plate 11 and the fixed clamping head 2, and a movable clamping head extending mechanism is arranged between the movable clamping head pressing plate 12 and the movable clamping head 3; the surfaces of the fixed clamping head pressing plate 11 opposite to the fixed clamping head 2 are provided with mounting grooves 16, the extension mechanism of the fixed clamping head comprises a transmission screw rod 18, threads with opposite thread turning directions are arranged at two ends of the transmission screw rod 18, two ends of the transmission screw rod 18 are in threaded transmission connection with moving blocks 19, two pull rods 20 are symmetrically arranged on the moving blocks 19, one end of the pull rod 20 is hinged with the moving block 19, one end of each pull rod 20 is connected with a roller 15, the fixed clamping head pressing plate 11 and the mounting groove 16 of the fixed clamping head 2 are both provided with a sliding groove 21, the two rollers 15 connected to the same moving block 19 are slidably connected to the fixed clamping head pressing plate 11 and the sliding groove 21 provided in the mounting groove 16 of the fixed clamping head 2, the structure of the fixed clamping head extension mechanism is the same as that of the movable clamping head extension mechanism. The deerskin used for manufacturing the deerskin dermal small-opening pocket is soft, the thickness of the deerskin dermal small-opening pocket is less than 2mm, the deerskin can not be held by hands in a curling state in a normal state, the deerskin can not be held by tweezers in a holding process, the deerskin in the curling state can not be easily unfolded by using the tweezers in the holding process, the deerskin can not be easily operated by one-man operation, one hand needs to hold the deerskin, the other hand needs to adjust the clamp plate fastening screw 13 to enable the fixed clamping head clamp plate 11 and the fixed clamping head 2 to be attached to clamp the deerskin, the clamped deerskin is in a curling state, the clamped deerskin can not be kept in a flat strip shape in a tensioning process, wrinkles can be generated, the manufacturing of the small-opening pocket is very unfavorable, the thickness of the deerskin is less than 2mm, the thickness of the deerskin is very small, if the dee, the technical problem is solved by providing a fixed clamping head extension mechanism between a fixed clamping head pressing plate 11 and a fixed clamping head 2, a movable clamping head extension mechanism between a movable clamping head pressing plate 12 and a movable clamping head 3, when clamping the deerskin, the deerskin can be in a completely unfolded state by using the fixed clamping head extension mechanism and the movable clamping head extension mechanism, the deerskin in the scheme can be in a curled state when clamping, one end of the deerskin is firstly placed between the fixed clamping head pressing plate 11 and the fixed clamping head 2 when clamping, and the four rollers 15 are ensured to clamp the single-layer deerskin, two rollers 15 arranged on the same moving block 19 are in a group, when in an initial state, two groups of rollers 15 are close to each other, when the fixed clamping head pressing plate 11 is close to the fixed clamping head 2, the rollers 15 of the same group are close to each other, the deerskin is clamped in advance, it is required to be explained that when the deerskin is clamped in advance by the rollers 15 of the same group, the fixed clamping head pressing plate 11 is not completely attached to the fixed clamping head 2, a gap is arranged between the fixed clamping head pressing plate 11 and the fixed clamping head 2, and the deerskin cannot fall off due to the clamping action of the rollers 15, so that after the deerskin is clamped in advance, the transmission screw 18 is rotated, in order to enable the transmission screw 18 to rotate conveniently, a hand wheel can be arranged at one end of the transmission screw 18 for rotation, when the transmission screw 18 rotates, because the threads at two ends of the transmission screw 18 are opposite in rotation, when the transmission screw 18, the two moving blocks 19 need to move away after the deer skin is pre-clamped, and it should be noted that the rolling wheels 15 in the scheme are arranged between the two moving blocks 19 and symmetrically arranged about the center of the transmission screw 18, when the moving blocks 19 move away, the pulling rods 20 connected with the moving blocks are driven, and then the rolling wheels 15 are driven to roll, when the two rolling wheels 15 move away, if there is a fold or a crimp between the deer skin clamped by the two rolling wheels 15, because the two rolling wheels 15 clamp the deer skin, when the two rolling wheels 15 move away, the crimped part can be straightened and unfolded, after the two rolling wheels are straightened, the rest deer skin can be unfolded under the effect of friction force, so that the deer skin can reach a flat state, at the moment, the clamping plate fastening screws 13 are continuously locked, so that the fixed clamping head pressing plate 11 is attached to the fixed clamping head 2, and the deer skin can be clamped between the fixed clamping head pressing plate 11 and the fixed clamping head 2, make the deer skin of centre gripping between fixed holding head clamp plate 11 and fixed holding head 2 for the state of expansion after through foretell operation, just so can avoid cliping the deer skin that does not expand, lead to the condition of failure when making the little pocket, this scheme just can operate alone, and the effectual of centre gripping, improve the success rate of preparation, convenient operation. The movable clamping head pressing plate 12 is also provided with a mounting groove 16 on the surface opposite to the movable clamping head 3, the movable clamping head extension mechanism is arranged in the mounting groove 16, the other end of the deer skin can be clamped between the movable clamping head pressing plate 12 and the movable clamping head 3 by the same operation, and the deer skin is kept in an unfolded state. In addition, gyro wheel 15 in this scheme adopts elastic material to make, only gyro wheel 15 centre gripping deerskin when centre gripping in advance, and fixed holding head clamp plate 11 can not centre gripping deerskin with fixed holding head 2, when continuing to lock clamp plate fastening screw 13 and make fixed holding head clamp plate 11 and the laminating of fixed holding head 2 after extending to open, the gyro wheel 15 of every group extrudees each other, adopts elastic material just can avoid the condition that hard contact caused the interference when the extrusion.

Furthermore, one end of the pull rod 20, which is far away from the moving block 19, is hinged with a sliding block 17, the roller 15 is rotatably arranged on the sliding block 17, and the sliding block 17 is slidably arranged in the sliding groove 21. Through setting up sliding block 17 in spout 21 in this scheme, then rotate gyro wheel 15 through the pivot and set up on sliding block 17, again with the one end articulated mode of sliding block 17 and pull rod, enable fixed holding head clamp plate 11 and fixed holding head 2 and drive sliding block 17 and remove in spout 21 when loosening and deviating from, increase the degree of freedom of mechanism, avoid appearing the dead condition of card.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A deerskin holder is characterized in that: the deer skin clamping device comprises a base (1), wherein a fixed clamping head (2) and a movable clamping head (3) are arranged on the base (1), the movable clamping head (3) is connected with the base (1) in a sliding manner, an adjusting mechanism is also arranged on the base (1), the adjusting mechanism is connected with the movable clamping head (3), the adjusting mechanism adjusts the distance between the fixed clamping head (2) and the movable clamping head (3), and clamping structures for clamping deer skin are arranged on the fixed clamping head (2) and the movable clamping head (3);

the clamping structure comprises a fixed clamping head pressing plate (11) and a movable clamping head pressing plate (12), wherein the fixed clamping head pressing plate (11) is connected to the fixed clamping head (2) through a pressing plate fastening screw (13), and the movable clamping head pressing plate (12) is connected to the movable clamping head (3) through a pressing plate fastening screw (13);

clamping teeth are arranged on the opposite surface between the movable clamping head pressing plate (12) and the movable clamping head (3) and the opposite surface between the fixed clamping head pressing plate (11) and the fixed clamping head (2);

a fixed clamping head extension mechanism is arranged between the fixed clamping head pressing plate (11) and the fixed clamping head (2), and a movable clamping head extension mechanism is arranged between the movable clamping head pressing plate (12) and the movable clamping head (3); the clamping device is characterized in that mounting grooves (16) are formed in the opposite surfaces of the fixed clamping head pressing plate (11) and the fixed clamping head (2), the fixed clamping head extending mechanism comprises a transmission lead screw (18), threads with opposite thread turning directions are arranged at the two ends of the transmission lead screw (18), a moving block (19) is connected to the two ends of the transmission lead screw (18) in a thread transmission manner, two pull rods (20) are symmetrically arranged on the moving block (19), one end of each pull rod (20) is hinged to the moving block (19), the other end of each pull rod (20) is rotatably connected with a roller (15), sliding grooves (21) are formed in the mounting grooves (16) of the fixed clamping head pressing plate (11) and the fixed clamping head (2), the two rollers (15) connected to the same moving block (19) are respectively in sliding connection with the sliding grooves (21) formed in the mounting grooves (16) of the fixed clamping head pressing plate (11) and the fixed clamping head (2), the structure of the fixed clamping head extension mechanism is the same as that of the movable clamping head extension mechanism.

2. The deerskin holder according to claim 1, wherein: the adjusting mechanism comprises a fixing plate (4) and a lead screw (5), a through hole is formed in the fixing plate (4), the lead screw (5) penetrates through the through hole and then is in threaded connection with the movable clamping head (3), and one end of the lead screw (5), which is located at the position where the fixing plate (4) deviates from the movable clamping head (3), is in threaded connection with a screwing nut (6).

3. The deerskin holder according to claim 2, wherein: and a compression spring (8) is sleeved on the screw rod (5) between the fixed plate (4) and the movable clamping head (3).

4. The deerskin holder according to claim 1, wherein: the clamping device is characterized in that a sliding groove (7) is formed in the base (1), a protrusion is arranged at the bottom of the movable clamping head (3), and the protrusion is arranged in the sliding groove (7) and is in sliding connection with the sliding groove (7).

5. The deerskin holder according to claim 4, wherein: bellied bottom threaded connection has two at least set screw (9), the cover is equipped with slide damper (10) on set screw (9), the top of slide damper (10) is supported the bottom of base (1).

6. The deerskin holder according to claim 1, wherein: one end of the pull rod (20) far away from the moving block (19) is hinged with a sliding block (17), the roller (15) is rotatably arranged on the sliding block (17), and the sliding block (17) is slidably arranged in the sliding groove (21).