CN217106180U

CN217106180U - Syllogic split bolt convenient to demolish

Info

Publication number: CN217106180U
Application number: CN202220634487.9U
Authority: CN
Inventors: 陈启添; 曹俊云; 方春禧; 黄诗真
Original assignee: Fujian Jiuding Construction Engineering Co Ltd
Current assignee: Fujian Jiuding Construction Engineering Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-02
Anticipated expiration: 2032-03-23

Abstract

The application discloses syllogic split bolt convenient to demolish relates to split bolt's technical field, has improved the problem that split bolt influences the template and demolishs speed, and it includes connecting screw, end cap and has the middle screw rod of waterstop, connecting screw passes through the end cap with middle screw rod and is connected, still including the butt piece that is used for strengthening the template and being used for ordering about the nut that the butt piece supported tight template, the nut is located connecting screw and keeps away from the one end of end cap, the butt piece is located between end cap and the nut, set up the draw-in groove with connecting screw looks adaptation on the butt piece, the draw-in groove runs through one side of butt piece. The application can accelerate the dismounting speed of the split bolt, thereby reducing the influence of the dismounting process of the split bolt on the dismounting speed of the template.

Description

Syllogic split bolt convenient to demolish

Technical Field

The application relates to the technical field of split bolts, in particular to a three-section split bolt convenient to detach.

Background

The split bolt is usually used for the drawknot between the inner template and the outer template of the wall body, bears the lateral pressure and other loads of concrete, ensures that the distance between the inner template and the outer template can meet the design requirements, and is also the fulcrum of the templates and the supporting structure thereof.

In the process of water conservancy construction, split bolt is used extensively. For example, during the pouring of a cut-off well, three-segment tie bolts are usually used to reinforce the formwork. The utility model discloses a utility model patent that publication is CN201695686U discloses a stagnant water split screw, it includes that both ends have the middle screw rod of screw thread and two both ends have the connecting screw rod of screw thread, the intermediate junction of middle screw rod have the stagnant water piece, the both ends that middle screw rod has the screw thread respectively through a cone nut and one the connecting screw rod one end that has the screw thread link to each other, each the screw thread of the other end of connecting screw rod on the cover have the nut.

In carrying out the present application, the applicant has discovered that: after the pouring construction is finished, the two connecting screw rods need to be removed before the formwork is removed, and the nuts and the mountain-shaped clamps need to be removed before the connecting screw rods are removed, so that the removal speed of the formwork is easily influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the speed was demolishd to the stay bolt influence template, this application provides a syllogic stay bolt convenient to demolish.

The application provides a syllogic split bolt convenient to demolish adopts following technical scheme:

the utility model provides a syllogic split bolt convenient to demolish, includes connecting screw, end cap and has the middle screw rod of waterstop, connecting screw passes through the end cap with middle screw rod and is connected, still including the butt spare that is used for consolidating the template and be used for ordering about the nut that the butt spare supported tight template, the nut is located connecting screw and keeps away from the one end of end cap, the butt spare is located between end cap and the nut, set up the draw-in groove with connecting screw looks adaptation on the butt spare, the draw-in groove runs through one side of butt spare.

Through adopting above-mentioned technical scheme, compare in mountain type clip, the dismantlement of butt piece is more convenient, only needs to loosen one section distance with the nut and can take off the butt piece, simplifies the preparation work in on the split bolt before the template demolishs the process to accelerate the speed that the template was demolishd, also make things convenient for the installation of butt piece simultaneously.

Optionally, the nut further comprises a plurality of first auxiliary rods, a plurality of insertion grooves are formed in the periphery of the nut, and one end of each first auxiliary rod is provided with an insertion part matched with the insertion groove.

Through adopting above-mentioned technical scheme, can make things convenient for constructor control nut to screw or unscrew on connecting screw for the speed that the nut was demolishd on connecting screw reduces the probability that the screw-thread fit is too tight and be difficult to the rotation between nut and the connecting screw, thereby further accelerates the speed that the template was demolishd.

Optionally, the connecting device further comprises a plurality of second auxiliary rods, an auxiliary portion which is not provided with threads is arranged at one end of the connecting screw rod, the cross-sectional dimension of the auxiliary portion is smaller than that of other positions of the connecting screw rod, and a through hole for the second auxiliary rod to pass through penetrates through the auxiliary portion.

By adopting the technical scheme, the connecting screw can be conveniently dismounted by constructors, so that the dismounting process of the connecting screw is more time-saving and labor-saving, and the dismounting speed of the template is further accelerated.

Optionally, a friction piece for increasing friction between the plug and the middle screw rod is arranged on the plug, the friction piece is located on one side, close to the middle screw rod, of the plug, and the friction piece abuts against the side wall of the middle screw rod.

By adopting the technical scheme, the probability that the plug is driven to rotate by mistake in the process of separating the connecting screw rod from the plug can be reduced, so that the disassembling process of the connecting screw rod is easier and more convenient.

Optionally, one end surface of the abutting part is an abutting surface for abutting against the template, and an elastic layer is arranged on the abutting surface of the abutting part.

Through adopting above-mentioned technical scheme, can reduce the damage that the butt piece caused when supporting tight template to the template, the template used repeatedly of being convenient for.

Optionally, one end face of the nut has an abutting portion for abutting against the abutting member, and the size of the abutting portion is larger than that of the other portion of the nut.

Through adopting above-mentioned technical scheme, can increase the area of contact of nut and butt piece to reduce the nut and drive the butt piece and support tight in-process nut and the mutual effort of butt piece with the template, the life of extension butt piece and nut, the two used repeatedly of being convenient for.

Optionally, one end of the abutting part, which is away from the abutting surface, is provided with a contact platform for the abutting part to contact with the abutting part, an end surface of the contact platform, which is away from the abutting surface, is a contact surface, and the size of the contact surface is larger than that of the abutting part.

Through adopting above-mentioned technical scheme, can improve the structural strength of butt piece, reduce the influence that the nut screwed the back and led to the fact butt piece itself.

Optionally, the abutting part is also provided with an elastic layer on a groove wall of the clamping groove.

Through adopting above-mentioned technical scheme, can protect the screw thread on the connecting screw, avoid butt piece draw-in groove cell wall and screw thread direct contact to lead to the fact the wearing and tearing to destroy to the screw thread.

In summary, the present application includes at least one of the following advantages:

1. the nut, the abutting part and the connecting screw rod can be conveniently dismounted by a constructor, and the time spent on dismounting the split bolt before dismounting the template is shortened, so that the influence of the process of dismounting the split bolt on the dismounting of the template is reduced;

2. the nut, the abutting piece, the connecting screw rod and the template can be reused, and the nut, the abutting piece, the connecting screw rod and the template can be protected in the using process, so that the service life of the connecting screw rod is prolonged.

Drawings

Fig. 1 is a schematic structural view of a casting template of an intercepting well in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a pouring template of the intercepting well when a friction member is not shifted in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a pouring template of the intercepting well after a friction member is pulled in an embodiment of the application;

fig. 4 is an exploded view of a three-segment split bolt according to an embodiment of the present invention.

Description of reference numerals: 1. a template; 11. forming a plate; 111. mounting holes; 12. a stabilizing member; 2. reinforcing steel bars; 3. pouring a space; 4. oppositely pulling the bolts; 41. a middle screw; 411. a water stop plate; 42. connecting a screw rod; 421. an auxiliary part; 422. perforating holes; 43. a plug; 431. a first perforation; 432. a second perforation; 433. sleeving a groove; 434. a limiting part; 435. a through hole; 44. an abutting member; 441. a slot 442, an abutment surface; 443. a contact stage; 444. a contact surface; 45. a nut; 451. an abutting portion; 452. inserting grooves; 5. a friction member; 6. a protective layer; 7. a first auxiliary lever; 71. a plug-in part; 8. a second auxiliary lever.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses syllogic split bolt convenient to demolish for consolidate to pouring construction with the template, use the pouring construction of vatch basin to launch as the example in the embodiment of the application.

Referring to fig. 1 and 2, the formwork 1 includes a plurality of forming plates 11 for assisting in casting and forming and a plurality of fixing members 12 for fixing the positions of the forming plates 11, and the forming plates 11 are provided with a plurality of mounting holes 111 for allowing the split bolts 4 to pass through for mounting.

Two molding plates 11, a plurality of stable pieces 12 and a plurality of split bolts 4 are needed for pouring and molding the wall of one side of the intercepting well. In this embodiment, preferably, the forming plate 11 is a rectangular plate-shaped structure, the two forming plates 11 are vertical and parallel to each other, the bottoms of the two forming plates 11 are connected with the ground, a pouring space 3 for pouring and forming the wall of the intercepting well on one side is formed between the two forming plates 11, and a constructor can pour concrete after arranging the reinforcing steel bars 2 in the pouring space 3.

Referring to fig. 2 and 3, the mounting holes 111 penetrate through the molding plates 11 in a direction perpendicular to the molding plates 11, and projections of the mounting holes 111 on one molding plate 11 on the other molding plate 11 correspond to the mounting holes 111 on the other molding plate 11 one by one. The stabilizing member 12 is preferably an elongated rectangular parallelepiped structure, and a plurality of stabilizing members 12 are respectively located on opposite sides of the two shaping plates 11. The length direction of the steady piece 12 is vertical, one end of the steady piece 12 in the length direction is connected with the ground, and the side edge of the steady piece 12 is connected with the adjacent forming plate 11. The steady members 12 are installed on both sides of the axis of each installation hole 111, and after the tie bolts 4 are installed, opposite forces are applied to the steady members 12 on both sides, so that the position stability of the two forming plates 11 is improved.

Referring to fig. 1 and 4, the split bolt 4 includes a middle screw 41, a plug 43, a connecting screw 42, an abutment 44, and a nut 45, and one split bolt 4 is composed of one middle screw 41, two plugs 43, two connecting screws 42, two abutment 44, and two nuts 45. Wherein, the outer side at middle screw rod 41 both ends has all been seted up the external screw thread, and the external screw thread opposite direction at middle screw rod 41 both ends, and the radial dimension and the mounting hole 111 looks adaptation of middle screw rod 41, and the length of middle screw rod 41 is less than the distance between two profiled sheets 11. The middle position of the middle screw rod 41 is provided with a water stop sheet, the water stop sheet is preferably of a circular sheet structure, and the axis of the middle screw rod 41 is overlapped with the axis direction of the water stop sheet.

The plug 43 is a cone structure as a whole, and one end of the plug 43 close to the cone is a plane. The plug 43 is provided with a first through hole 431 on a plane close to the conical head for the middle screw 41 to penetrate through, the axis of the first through hole 431 coincides with the axis of the plug 43, and the plug 43 is provided with an internal thread on the hole wall of the first through hole 431, wherein the internal thread is matched with the external thread on the middle screw 41.

After the two plugs 43 are respectively in threaded fit with the two ends of the middle screw rod 41, the two ends of the middle screw rod 41 respectively abut against the bottoms of the first through holes 431 in the two plugs 43, and one end surface of each plug 43, which is far away from the conical head, abuts against the opposite end surfaces of the two molding plates 11.

Referring to fig. 2 and 3, a friction member 5 is sleeved on one end of the plug 43 close to the conical head, and a sleeving groove 433 for sleeving and installing the friction member 5 is formed in one end of the plug 43 close to the conical head. The friction member 5 is preferably made of rubber, and after the plug 43 is in threaded engagement with the middle screw 41, a constructor moves the friction member 5 in a direction close to the middle screw 41 to move one end of the friction member 5 onto the middle screw 41, two ends of the friction member 5 are respectively sleeved on the middle screw 41 and the plug 43, and the inner side of the friction member 5 is also respectively attached to the middle screw 41 and the plug 43. Therefore, the friction force which needs to be overcome when the rotating plug 43 is taken down from the middle screw rod 41 is increased, and the probability of the false rotation of the plug 43 is reduced.

Referring to fig. 3 and 4, the outer side of the connecting screw rod 42 is also provided with an external thread, and the radial dimension of the connecting screw rod 42 is also matched with the aperture of the mounting hole 111, and in this embodiment, the radial dimension of the connecting screw rod 42 is preferably equal to the radial dimension of the middle screw rod 41. The end face, away from the first through hole 431, of the plug 43 is provided with a second through hole 432, a distance exists between the bottom of the second through hole 432 and the bottom of the first through hole 431, the axis of the second through hole 432 coincides with the axis of the first through hole 431, and the wall of the second through hole 432 of the plug 43 is provided with an internal thread matched with the external thread on the connecting screw 42.

Referring to fig. 2 and 3, a through hole 435 for communicating the first through hole 431 and the second through hole 432 is further formed in the plug 43, an axis of the through hole 435 coincides with an axis of the first through hole 431, a radial dimension of the through hole 435 is smaller than that of the first through hole 431, and a limit portion 434 for limiting a screwing depth of the middle screw 41 and the connecting screw 42 in threaded connection is formed on the plug 43 by the through hole 435.

Referring to fig. 3 and 4, one end of the connecting screw rod 42 in the length direction extends outward along the length direction thereof with an auxiliary portion 421, the outer side of the auxiliary portion 421 is not provided with a screw thread, the auxiliary portion 421 is preferably a cylindrical structure in the embodiment, and the cross-sectional dimension of the auxiliary portion 421 is smaller than the minimum cross-sectional dimension of the connecting screw rod 42.

The auxiliary portion 421 is used for being convenient for constructor with connecting screw 42 and end cap 43 threaded connection or remove threaded connection, and the split bolt 4 is still including being used for the second auxiliary rod 8 with the cooperation of auxiliary portion 421 use, and second auxiliary rod 8 is the cylinder structure, sets up the through hole 422 that supplies second auxiliary rod 8 to pass on the auxiliary portion 421, and the aperture of through hole 422 equals with the radial dimension of second auxiliary rod 8. The second auxiliary rod 8 passes through the through hole 422 to form a handle which is convenient for rotating the connecting screw rod 42, so that the use by constructors is convenient.

Referring to fig. 3 and 4, the internal thread on the nut 45 is matched with the external thread on the connecting screw rod 42, the nut 45 is of a hexagonal structure as a whole, the insertion groove 452 is formed in six faces of the outer side of the nut 45, the direction of the insertion groove 452 is perpendicular to the end face where the insertion groove 452 is formed, and the split bolt 4 further comprises a first auxiliary rod 7 which is used for being matched with the insertion groove 452. First auxiliary rod 7 also is the cylinder structure, and the one end of first auxiliary rod 7 has the grafting portion with inserting groove 452 looks adaptation, and first auxiliary rod 7 is connected with nut 45 through inserting portion and inserting groove 452 cooperation back, forms the handle that the constructor of being convenient for screwed or unscrewed nut 45, and the constructor of being convenient for uses.

The contact piece 44 is mounted between the nut 45 and the forming plate 11, and the contact piece 44 is entirely of a plate-shaped structure, but in the present embodiment, the contact piece 44 is preferably of a rectangular plate-shaped structure, and in other embodiments, the contact piece 44 may have other shapes. The abutting member 44 is provided with a slot 441, the slot 441 penetrates through the abutting member 44 along the thickness direction of the abutting member 44, and the slot 441 penetrates through one end of the abutting member 44 along the width direction of the abutting member 44. The groove wall of the clamping groove 441 close to the center of the abutting piece 44 is an arc surface matched with the connecting screw rod 42, after the abutting piece 44 is installed, the connecting screw rod 42 abuts against the arc surface of the clamping groove 441, in order to reduce the abrasion of the groove wall of the clamping groove 441 on the external thread on the connecting screw rod 42, an elastic layer is installed on the groove wall of the abutting piece 44 on the clamping groove 441, and the elastic layer is preferably made of rubber.

Referring to fig. 3 and 4, one end surface of the abutting member 44 in the thickness direction is an abutting surface 442 for abutting against the fixing member 12 to the forming plate 11, the abutting surface 442 abuts against the fixing member 12 on both sides of the split bolt 4, and in order to reduce the damage to the abutting member 44 and the fixing member 12 caused by the interaction force between the abutting member 44 and the fixing member 12, a protective layer 6 is also installed on the abutting surface 442 of the abutting member 44. One end of the abutment 44 facing away from the abutment surface 442 has a contact step 443 for contacting the nut 45 with the abutment 44, one end surface of the contact step 443 facing away from the abutment surface 442 is a contact surface 444, the contact surface 444 is parallel to the abutment surface 442, and the area of the contact surface 444 is smaller than that of the abutment surface 442. One end of the nut 45 has an abutting portion 451, the abutting portion 451 has a cross-sectional dimension larger than that of the other portion of the nut 45, and the abutting portion 451 has a cross-sectional dimension smaller than that of the abutting surface 442.

The implementation principle of syllogic split bolt convenient to demolish of this application embodiment does:

firstly, building a template 1 required by pouring, then respectively connecting two plugs 43 with the middle screw 41 in a threaded manner, then stirring the friction piece 5 to increase the rotation friction force between the plugs 43 and the middle screw 41, then placing the middle screw 41 provided with the two plugs 43 into the pouring space 3 to enable the two plugs 43 to be respectively aligned with the mounting holes 111 on the two forming plates 11, then respectively penetrating the two connecting screws 42 through the mounting holes 111 to be in threaded connection with the two plugs 43, then mounting the abutting part 44 to enable the abutting surface 442 to be abutted against the stable part 12, then screwing the nut 45 into the connecting screw 42 to enable the abutting part 451 to be abutted against the contact surface 444, thereby driving the two abutting parts 44 to be abutted against the two forming plates 11, then laying steel bars 2 in the pouring space 3 and pouring concrete;

after pouring and forming, firstly, the inserting part of the first auxiliary rod 7 is inserted into the inserting groove 452 of the nut 45, the nut 45 is unscrewed by means of the force applied by the first auxiliary rod 7, then the abutting part 44 is taken down, then the nut 45 is continuously screwed to take down the nut 45, then the second auxiliary rod 8 passes through the through hole 422 of the auxiliary part 421 of the connecting screw rod 42, the connecting screw rod 42 is unscrewed by means of the force applied by the second auxiliary rod 8, and at this time, the formwork 1 can be removed for subsequent filling work.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a syllogic split bolt convenient to demolish, includes connecting screw (42), end cap (43) and middle screw (41) that has the waterstop, connecting screw (42) are connected through end cap (43) with middle screw (41), its characterized in that, still including be used for strengthening butt piece (44) of template (1) and be used for driving butt piece (44) to support nut (45) of tight template (1), nut (45) are located connecting screw (42) and keep away from the one end of end cap (43), butt piece (44) are located between end cap (43) and nut (45), offer draw-in groove (441) with connecting screw (42) looks adaptation on butt piece (44), draw-in groove (441) run through one side of butt piece (44).

2. The three-section type split bolt convenient to detach according to claim 1, further comprising a plurality of first auxiliary rods (7), wherein a plurality of insertion grooves (452) are formed in the periphery of the nut (45), and one end of each first auxiliary rod (7) is provided with an insertion part (71) matched with the insertion groove (452).

3. The three-section type split bolt convenient to remove according to claim 2, further comprising a plurality of second auxiliary rods (8), wherein one end of the connecting screw rod (42) is provided with an auxiliary portion (421) which is not provided with threads, the cross-sectional dimension of the auxiliary portion (421) is smaller than the cross-sectional dimension of other positions of the connecting screw rod (42), and a through hole (422) for the second auxiliary rod (8) to pass through is penetrated through the auxiliary portion (421).

4. A three-section type split bolt convenient to remove according to claim 3, wherein the plug (43) is provided with a friction member (5) for increasing the friction force between the plug (43) and the middle screw rod (41), the friction member (5) is positioned on one side of the plug (43) close to the middle screw rod (41), and the friction member (5) is abutted against the side wall of the middle screw rod (41).

5. The three-section type split bolt convenient to remove according to claim 1, wherein one end face of the abutting piece (44) is an abutting face (442) used for abutting against the template (1), and the abutting piece (44) is provided with an elastic layer on the abutting face (442).

6. A removable three-part split-type split bolt according to claim 5, wherein one end face of the nut (45) is provided with an abutting part (451) for abutting against the abutting part (44), and the size of the abutting part (451) is larger than that of the rest part of the nut (45).

7. The three-section type split bolt convenient to remove according to claim 6, characterized in that one end of the abutting piece (44) departing from the abutting surface (442) is provided with a contact platform (443) for the abutting part (451) to contact with the abutting piece (44), one end surface of the contact platform (443) far away from the abutting surface (442) is a contact surface (444), and the size of the contact surface (444) is larger than that of the abutting part (451).

8. The detachable three-segment split bolt according to claim 5, wherein the abutting member (44) is also provided with an elastic layer on the groove wall of the slot (441).