CN215535164U

CN215535164U - Clamp for forming sheet clamp

Info

Publication number: CN215535164U
Application number: CN202121396163.8U
Authority: CN
Inventors: 和清选
Original assignee: Huanghua Promisee Dental Co ltd
Current assignee: Huanghua Promisee Dental Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-18
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a forming sheet clamp holding forceps, which relates to the field of dental instruments and comprises: the clamp comprises a clamp head part, a clamp handle part and a positioning mechanism for locking the opening size of the clamp handle part, wherein the positioning mechanism comprises a connecting part and positioning parts connected to two ends of the connecting part, a space for the clamp handle part to be continuously kneaded is formed between the positioning parts, and a plurality of positioning clamping grooves are formed in one surface of the clamp handle part, corresponding to the positioning parts, along the extension direction of the clamp handle part; according to the utility model, after the handle part of the pliers is kneaded to a certain angle, the kneading angle of the handle part of the pliers can be locked by moving the position of the positioning part and enabling the positioning part to be matched with the positioning clamping groove on the handle part of the pliers, and when the kneading angle of the handle part of the pliers needs to be adjusted, a user continues to apply force to the handle part of the pliers to enable the two positioning parts to lose the locking capacity of the handle part of the pliers, and the handle part of the pliers is released after the position of the positioning part corresponding to the handle part is adjusted, so that the convenience of adjustment is greatly improved.

Description

Clamp for forming sheet clamp

Technical Field

The utility model relates to the field of dental instruments, in particular to a pair of formed sheet clamp holding forceps.

Background

The tooth restoration is to restore the tooth tissue deformity caused by decayed tooth, defect and the like so as to recover the appearance and the function of the tooth, and the specific restoration treatment steps are as follows: firstly, preparing a hole shape; selecting a proper forming sheet, and adjusting the shape of the forming sheet; placing the forming sheet between the teeth, and clamping the forming sheet by a needle holder or forceps and adjusting the position of the forming sheet to enable the forming sheet to be tightly attached to the teeth; fixing the molding piece by using an interproximal wedge, sealing the gingival margin and closing a gap of the gingival margin; the ring-shaped mold piece holder was placed, and the mold piece was fixed and then filled with a dental material.

The structure of the pliers that adopts when placing the shaping film clamp among the prior art is similar with jump ring pincers structure, and two pincers handles are kneaded to the user manual, and the binding clip in the place ahead is done and is opened the motion and strut the shaping film clamp, and the handheld pliers of user carries the shaping film clamp that is strutted and places in the assigned position, realizes the fixed to the shaping film, for example: the application number is "201621237803. X", the utility model patent of name "jump ring pincers" discloses a jump ring pincers that can be used to strut shaping piece, including two pincers handles that the middle part pin joint is in the same place, the head of every pincers handle all is equipped with a projection, two projections downwardly extending on two pincers handles, and be the setting of splayed slope, when using this jump ring pincers to go the centre gripping shaping piece, place the shaping piece before the assigned position again, the user need the moment keep the state to the pincers handle application of force, bring inconvenience for the user.

The utility model discloses a clamp spring clamp with a positioning mechanism, which comprises a clamp head, a clamp handle and a positioning mechanism, wherein the positioning mechanism comprises a positioning box and a sliding sleeve, a rack is arranged on the bottom surface in the positioning box, an upper protruding block is arranged on the upper side of the left end of the left positioning box, a lower protruding block is arranged on the lower side of the right end, the sides, close to the rack, of the upper protruding block and the lower protruding block are both arc-shaped, the clamp handle sleeve is connected with the sliding block through the sliding rod, the clamp handle sleeve is arranged on the outer side of the left positioning box, the clamp handle is arranged in the clamp handle sleeve, the sliding block is arranged in the left positioning box, the top surface of the sliding block is provided with a spring, the bottom surface is provided with a tooth block matched with the rack, when a user kneads the two clamp handles, the clamp handle drives the sliding block to move on the rack through the sliding rod, the tooth block on the sliding block is matched with different grooves on the rack, after the pincers handle reachd the angle of kneading of demand, need not to again to the pincers handle application of force, tooth piece and rack can cooperate the location of accomplishing pincers handle position, but it can only realize kneading ascending constantly locking of direction along the pincers handle, can not directly knead the opposite direction to the pincers handle and adjust, after the user discovery kneads the angle undersize, can only knead the pincers handle to minimum angle, treat to continue to knead to appointed angle after the pincers handle kick-backs, it is not convenient to operate.

Therefore, there is a need for a clamping pliers with a clip forming plate capable of locking the pinching angle of the pliers handle and conveniently adjusting the locking angle.

Disclosure of Invention

The utility model aims to provide a pair of formed sheet clamp holding forceps, which aims to solve the problems in the prior art, can lock the pinching angle of a forceps handle and can conveniently adjust the locking angle.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a pair of formed sheet clamp holding forceps, which comprises a forceps head part, a forceps handle part and a positioning mechanism, wherein the forceps handle part enables the forceps head part to be opened when in kneading, the positioning mechanism is used for locking the opening size of the forceps handle part, the positioning mechanism comprises a connecting part and positioning parts connected to two ends of the connecting part, a space for the forceps handle part to be continuously kneaded is formed between the positioning parts, and a plurality of positioning clamping grooves are formed in one surface, corresponding to the positioning parts, of the forceps handle part along the extending direction of the forceps handle part.

Preferably, one surface of the positioning part, which is close to the positioning clamping groove, is arc-shaped, and the positioning clamping groove is an arc-shaped groove.

Preferably, the positioning clamping groove and the clamp handle are integrally arranged.

Preferably, the forceps handle portion comprises two forceps handles, the forceps handles are of arc structures, and openings of the arc structures of the two forceps handles are arranged oppositely.

Preferably, the forceps handles are all provided with anti-skidding rubber sleeves.

Preferably, a spring in a compressed state is arranged between one ends of the two forceps handles close to the forceps head.

Preferably, the forceps head portion comprises two forceps heads, the forceps heads are connected with the forceps handles to form half forceps bodies, the inner sides of the joints of the forceps heads and the forceps handles on the two half forceps bodies are rotatably connected with a connecting shaft, and one ends, far away from the forceps handles, of the forceps heads are provided with beak portions bent downwards.

Preferably, the free ends of the two beaks are bent away from each other to form a stop for preventing the formed clip from slipping off.

Preferably, the size of the forceps head near the beak part is smaller than that near the forceps handle.

Preferably, the inner sides of the ends, close to the forceps handles, of the two forceps heads are provided with forceps head limiting portions, the two forceps head limiting portions are matched with and limit the minimum closing angle of the two forceps heads, the inner sides of the ends, close to the forceps heads, of the two forceps handles are provided with forceps handle limiting portions, and the two forceps handle limiting portions are matched with and limit the minimum closing angle of the two forceps handles.

Compared with the prior art, the utility model has the following technical effects:

1. in the utility model, both ends of the connecting part are connected with the positioning parts, and one surface of the forceps handle part corresponding to the positioning parts is provided with a plurality of positioning clamping grooves along the extending direction of the forceps handle part, when the forceps handle part is kneaded to a certain angle, the positioning parts are moved and matched with the positioning clamping grooves on the forceps handle part, because the two positioning parts are connected through the connecting part and the distance between the two positioning parts is fixed, the two positioning parts can limit the expansion of the forceps handle part on two sides of the expanding direction of the forceps handle part, the locking of the kneading angle of the forceps handle part is realized, namely the spreading angle of the forceps head part is ensured, and because the positioning parts have a space for the forceps handle part to be continuously kneaded, when the kneading angle of the forceps handle part needs to be adjusted or the locking of the forceps handle part is released, a user continuously applies force to the forceps handle part, so that the kneading angle of the forceps handle part is reduced, at the moment, the two positioning parts lose the locking capacity on the forceps handle part, and the forceps handle part is released after the positioning parts are adjusted to correspond to the positions of the forceps handle part, so that the convenience of adjustment is greatly improved.

2. According to the utility model, the free end of the beak part is bent back to form the blocking part for preventing the formed clamping piece from slipping off, and after the formed clamping piece is spread by using the clamping forceps, a movable space of the formed clamping piece is formed between the two blocking parts and the forceps head, so that the problem that the formed clamping piece slips off along the free end of the beak part in the clamping process of the formed clamping piece can be well solved by arranging the blocking parts.

3. According to the utility model, the inner sides of the two ends of the plier heads close to the plier handles are respectively provided with the plier head limiting parts, when the plier heads are closed in a natural state, the two plier head limiting parts are used as main stress points, so that the torque is reduced, the problem that the torque is too long and easy to damage when the tips of the plier heads are used as the main stress points is avoided, the service life of the plier heads is prolonged, the inner sides of the two ends of the plier handles close to the plier heads are respectively provided with the plier handle limiting parts, when the plier handles are closed in a manual force application state, the two plier handle limiting parts are used as the main stress points, so that the torque is reduced, the problem that the torque is too long and easy to damage when the tail ends of the plier handles are used as the main stress points is avoided, and the service life of the plier handles is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a front view of a formed sheet clamp of the present invention;

FIG. 2 is a side view of a formed clip holding vise of the present invention;

FIG. 3 is a schematic structural view of the positioning mechanism of the present invention in a ring configuration;

FIG. 4 is a schematic structural view of the positioning mechanism of the present invention in a U-shaped ring structure;

FIG. 5 is a schematic view of a connection of the present invention including a center riser;

wherein, 1, a forceps handle; 2. a binding clip; 3. a rostral portion; 4. a blocking part; 5. a positioning mechanism; 6. a connecting portion; 7. a positioning part; 8. positioning the clamping groove; 9. a connecting shaft; 10. a spring; 11. a binding clip limiting part; 12. a forceps handle limiting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1 to 5, a pair of formed clip holding forceps is provided, which includes a forceps head portion, a forceps handle portion for opening the forceps head portion when pinching, and a positioning mechanism 5 for locking the opening size of the forceps handle portion, wherein the positioning mechanism 5 includes a connecting portion 6 and positioning portions 7 connected to two ends of the connecting portion 6, the positioning portions 7 may be positioning rods, positioning blocks, and the like, and may be made of metal or hard plastic, the connecting portion 6 may be a connecting rod, a connecting plate, and the like, and may be made of metal or hard plastic, and the connecting manner between the positioning portions 7 and the connecting portion 6 is as follows: one end of each of the two positioning portions 7 is fixedly connected to two ends of the connecting portion 6 to form a U-shaped ring structure, or the connecting portion 6 is composed of two connecting rods or connecting plates arranged in parallel, two ends of each of the two positioning portions 7 are connected to the same side ends of the two connecting rods or connecting plates to form an annular structure, or the connecting portion 6 is composed of a central vertical plate (rod) and transverse connecting plates (rods) connected to two ends of the central vertical plate (rod), the height of the central vertical plate is greater than that of the handle portion, the two positioning portions 7 are fixedly connected to one ends of the transverse connecting plates (rods) far away from the central vertical plate (rod), or other connecting modes, but after the positioning portions 7 are connected to the connecting portion 6, a space for the handle portion to be continuously kneaded is required to be arranged between the two positioning portions 7, and a plurality of positioning clamping grooves 8 are arranged on one surface of the handle portion, corresponding to the positioning portions 7, in the extending direction of the handle portion, when the forceps handle is kneaded to a certain angle, the position of the positioning part 7 is moved and matched with the positioning clamping groove 8 on the forceps handle, since the two positioning parts 7 are connected by the connecting part 6, the distance between the two positioning parts is constant, the two positioning portions 7 restrict the expansion of the jaw portion on both sides in the jaw handle expansion direction, achieving the locking of the jaw handle pinching angle, namely, the spreading angle of the forceps head is ensured, and because the space for the forceps handle to be kneaded continuously is arranged between the positioning parts 7, when the angle of mediating of pincers stalk portion or loosen the locking to pincers stalk portion as needs adjustment, the user continues to the pincers stalk portion application of force, makes the angle of mediating of pincers stalk portion diminish, and two location portion 7 lose the locking ability to pincers stalk portion this moment, and it can to loosen the pincers stalk portion after the position that location portion 7 corresponds the pincers stalk portion is adjusted, has improved the convenience of adjusting greatly.

The positioning portion 7 and the connecting portion 6 can be integrated, and it should be noted that when the positioning portion 7 and the connecting portion 6 are formed into an annular structure, the annular structure is required to be sleeved on the handle portion of the pliers during the manufacturing process of the clamping pliers.

In order to facilitate the 7 joints of the positioning part to be connected into the positioning clamping groove 8, the positioning part 7 is close to one surface of the positioning clamping groove 8 in an arc shape, and the positioning clamping groove 8 is an arc-shaped groove.

The positioning clamping groove 8 and the clamp handle are integrally arranged, so that the integral structural strength is improved.

The pincers handle includes two pincers handles 1, pincers handle 1 is the arc structure, and the arc structure opening of two pincers handles 1 sets up relatively, and the curve setting of arc structure laminating hand easily the user grips the application of force.

In order to better apply force to the forceps handle 1 and prevent slipping during force application, the forceps handle 1 is provided with anti-slip rubber sleeves.

A spring 10 in a compressed state is arranged between one ends of the two forceps handles 1 close to the forceps head, and when the clamping forceps are not used, the forceps handles 1 are in an open state, so that the forceps handles 1 and the forceps head 2 are prevented from moving randomly when the clamping forceps are not used.

The pliers head comprises two pliers heads 2, the pliers heads 2 are connected with the pliers handle 1 to form a half pliers body, the inner sides of the joints of the pliers heads 2 and the pliers handle 1 on the two half pliers bodies are rotatably connected with a connecting shaft 9, the pliers head is similar to a snap spring pliers structure, one end of the pliers head 2, far away from the pliers handle 1, is provided with a beak part 3 bent downwards, so that a user can prop open a formed clamping piece by using the beak part 3 and place the formed clamping piece into a designated position in an oral cavity, at the moment, the whole pliers body can horizontally enter the oral cavity, and compared with the pliers body without the beak part 3, the pliers body needs to be inclined into the oral cavity, the horizontal entering mode increases the moving range, and further the user can more conveniently place the formed clamping piece into the designated position; the beak part 3 can be arranged integrally with the binding clip 2, so that the overall structural strength is increased.

The free ends of the two beak parts 3 are bent back to form the blocking parts 4 for preventing the formed clamping piece from slipping off, and after the formed clamping piece is spread by using the clamping pliers, a movable space of the formed clamping piece is formed between the two blocking parts 4 and the pliers head 2, so that the problem that the formed clamping piece slips off along the free ends of the beak parts 3 in the clamping process of the formed clamping piece can be well solved by arranging the blocking parts 4; the blocking portion 4 may also be provided separately from the beak portion 3, since the force applied by the blocking portion 4 is not too great.

Because the forceps head 2 needs to extend into the oral cavity, the size of the end, close to the beak part 3, of the forceps head 2 is smaller than the size of the end, close to the forceps handle 1, of the forceps head 2, so that the occupied space of the forceps head 2 is reduced, and a sufficient space is reserved between the forceps body and the oral cavity and teeth of a patient when a molded sheet clamp is placed, the forceps body is prevented from touching the tooth surface, the downward angle of the forceps body is convenient to provide, and the spread molded sheet clamp is placed at a satisfactory position.

The inner sides of one ends of the two binding clip heads 2 close to the binding clip handles 1 are respectively provided with a binding clip limiting part 11, the two binding clip limiting parts 11 are matched to limit the minimum closing angle of the two binding clip heads 2, the minimum closing angle is determined according to the shape of the binding clip heads 2, when the minimum closing limit is ensured, a certain gap is left between the end parts of the two binding clip heads 2, when the binding clip heads 2 are closed in a natural state, the two binding clip limiting parts 11 are taken as main stress points, so that the moment is reduced, the problem that the moment is overlong and easy to damage when the tips of the binding clip heads 2 are taken as main stress points is solved, the service life of the binding clip heads 2 is prolonged, the stress surfaces of the two binding clip limiting parts 11 can be planes or tooth surfaces and the like, the inner sides of one ends of the two binding clip handles 1 close to the binding clip heads 2 are respectively provided with a binding clip handle limiting part 12, and the two binding clip handle limiting parts 12 are matched to limit the minimum closing angle of the two binding clip handles 1, the minimum closing angle is determined according to the shape of the forceps handles 1, a certain gap is reserved between the end parts of the two forceps handles 1 when the minimum closing limit is ensured, when the forceps handles 1 are closed under the artificial force application state, the two forceps handle limiting parts 12 are used as main stress points, the moment is reduced, the problem that the moment is too long and easy to damage when the tail ends of the forceps handles 1 are used as the main stress points is solved, the service life of the forceps handles 1 is prolonged, and the stress surfaces of the two forceps handle limiting parts 12 can be planes or tooth surfaces and the like.

In the actual use process, a user controls the forming sheet clamp to be positioned between the blocking part 4 and the forceps head 2, the forming sheet clamp is sleeved outside the two beak parts 3 in a ring mode, then the user holds and kneads the two forceps handles 1 to prop the forming sheet clamp for a certain angle, the positions of the two positioning parts 7 are moved and adjusted, the force applied to the forceps handles 1 is released, the kneading angle of the forceps handles 1 is locked by the positioning parts 7 at the moment, the user holds the forceps handles 1 to drive the forceps head 2 to move to the specified position in the oral cavity, the placing position of the forming sheet clamp is adjusted, the user continues to knead the two forceps handles 1 after the adjustment is completed, the locking effect of the two positioning parts 7 is invalid, the position of the positioning part 7 is adjusted to enable the locking effect to be no longer realized, and finally the forceps head 2 is pulled out of the forming sheet clamp to complete the placing of the forming sheet clamp.

The adaptation according to the actual needs is within the scope of the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. The molding plate clamp holding clamp is characterized by comprising a clamp head part, a clamp handle part and a positioning mechanism, wherein the clamp handle part enables the clamp head part to be opened when the molding plate clamp is kneaded, the positioning mechanism is used for locking the opening size of the clamp handle part, the positioning mechanism comprises a connecting part and positioning parts connected to two ends of the connecting part, a space for the clamp handle part to be continuously kneaded is formed between the positioning parts, and a plurality of positioning clamping grooves are formed in one surface, corresponding to the positioning parts, of the clamp handle part along the extending direction of the clamp handle part.

2. The forming clip holding forceps as claimed in claim 1, wherein one surface of the positioning portion adjacent to the positioning slot is arc-shaped, and the positioning slot is an arc-shaped groove.

3. The profiled sheet clamp gripping pliers of claim 1 wherein the locator slot is integral with the pliers shank.

4. A profiled sheet clamp gripping pliers as claimed in any one of claims 1 to 3, wherein the shank portion comprises two handles, the handles being of arcuate configuration and the arcuate configuration openings of the two handles being disposed opposite one another.

5. The profiled sheeting clamp of claim 4 wherein the handles are provided with a non-slip rubber sleeve.

6. A profiled sheet clamp gripping pliers as claimed in claim 4, wherein a spring is provided in compression between the two handles adjacent one end of the head portion.

7. A profiled sheet clamp as claimed in claim 4, wherein the clamp head portion comprises two clamp heads, the clamp heads are connected with the clamp handles to form half clamp bodies, the inner sides of the joints of the clamp heads and the clamp handles on the two half clamp bodies are rotatably connected with a connecting shaft, and one end of the clamp head, which is far away from the clamp handles, is provided with a beak portion bent downwards.

8. The formed clip holding forceps of claim 7, wherein the free ends of the two beak portions are bent back to form a barrier preventing the formed clip from slipping.

9. A profiled sheet clamp as claimed in claim 7, wherein the dimensions of the jaw near the beak are less than the dimensions of the jaw near the end of the shank.

10. The forming clip holding clamp according to claim 7, wherein each of the two clamp heads has a clamp head limiting portion at an inner side of an end thereof adjacent to the clamp handle, the two clamp head limiting portions cooperate to limit a minimum closing angle of the two clamp heads, each of the two clamp handles has a clamp handle limiting portion at an inner side of an end thereof adjacent to the clamp head, and the two clamp handle limiting portions cooperate to limit a minimum closing angle of the two clamp handles.