CN202684034U

CN202684034U - Securing device for embedded pipeline

Info

Publication number: CN202684034U
Application number: CN 201220358888
Authority: CN
Inventors: 马正松; 路玲; 王爱生
Original assignee: CHUZHOU JINNUO INDUSTRIAL Co Ltd
Current assignee: CHUZHOU JINNUO INDUSTRIAL Co Ltd
Priority date: 2012-07-24
Filing date: 2012-07-24
Publication date: 2013-01-23
Anticipated expiration: 2022-07-24

Abstract

The utility model provides a securing device for an embedded pipeline, relating to the field of aluminum alloy casting tools. The securing device comprises a clamp seat, the upper part of the clamp seat is a U-shaped clamp head, the lower part is a screw rod, a cross rod penetrates through the middle of the U-shaped clamp head, a stop screw is screwed into the top of the U-shaped clamp head, the lower end of the screw rod is screwed into the upper end of an adjusting nut, a wire tying screw is screwed into the lower end of the adjusting nut, and a lock nut is arranged at the intersection between the upper end of the adjusting nut and the screw rod. With the securing device, the finished product rate of casting blanks can be increased, so that the stress deformation can be controlled; a stainless steel tube can be used for substituting for a copper tube, so that the manufacturing cost is greatly reduced; and because the corrosion resistance of the stainless steel tube is far above the copper tube, the service life of a die is also prolonged, and the competitive force of the product is increased.

Description

Pre-buried pipeline fastener

Technical field:

The utility model relates to aluminium alloy casting frock field, relates in particular to a kind of pre-buried pipeline fastener.

Background technology:

The household electrical appliances mould in use, mould need to be with recirculated water to mold heated, so just requiring will have water back in mould, the technique of existing placement water back has two kinds, a kind of be casting blank formation after, process water pipe ditch at the strand inner chamber, then water pipe is put into groove, with low-melting alloy that the tube seat envelope is flat again; The shortcoming of this technique is; The tube seat difficulty of processing is large, and water pipe is placed and limited by cavity shape, and time-consuming, effort, cost are high, so seldom adopt.Another kind is when casting blank formation, and water pipe is embedded in the strand, at first produces water pipe ditch at wooden model, then makes sand mold, at last water pipe is fixed in the water pipe ditch on the sand mold with U-shaped iron wire, just can mould assembling cast.What existing casting household electrical appliances mould strand adopted is the green-sand casting technique, the pre-buried water pipe material is copper tube, the intensity of the sand mold in this technique self is very low, if again water pipe is fixed on the sand mold, the stress deformation that water pipe is heated and produces when casting, can make water pipe produce displacement and deformation, even change together with sand mold, cause the sand mold avalanche, cause product rejection, even copper tube is like this, more unmannedly remove again to use low, the corrosion resistant stainless steel waterpipe of price, reason is that the stress deformation after stainless steel tube is heated is far longer than copper tube; Comprehensive above problem draws, and this explained hereafter strand cost out is high, yield rate is low; If the stress deformation problem after way control water pipe is heated is arranged, the qualification rate of strand will be improved greatly, low price, corrosion resistant stainless steel waterpipe also can be used as pre-buried pipeline simultaneously, so just can reduce the cost of strand, have also improved the mold use life-span.

The utility model content:

Technical problem to be solved in the utility model is to overcome the defective of prior art, and a kind of pre-buried pipeline fastener simple to operate, broad-spectrum is provided, to solve and to control the stress deformation problem after water pipe is heated.

Technical problem to be solved in the utility model realizes by the following technical solutions.

A kind of pre-buried pipeline fastener, it is characterized in that: comprise that top is that U-shaped dop bottom is the deck of screw rod, pass cross bar in the middle of the described U-shaped dop, described U-shaped dop top screws in limit screw, described screw rod lower end screws in the upper end of adjusting nut, described adjusting nut lower end has the tied silk screw to screw in, and described adjusting nut upper end is provided with locking nut with the screw rod intersection; Described cross bar is a straight-bar, and it is inserted in the U-shaped dop on deck top, is used for load on sandbox, and its length outline is longer than sandbox, is used for the connection that whole fastener is connected with sandbox; Limit screw is spun in the screw at U-shaped dop top, being used for deck and cross bar is fastenedly connected, described adjusting nut upper end is connected with the screw rod of deck bottom, its up and down turn, can change the length of whole device, thereby realize and to regulate, the tied silk screw that described adjusting nut lower end screws in is convenient to fix connecting water pipe with the tied silk of φ 1mm, and can make between water pipe and the device and form a slit, when casting, liquation can enter this slit, and the water pipe that solidifies rear device below until liquation can be wrapped; Described locking nut is spun between the screw rod and adjusting nut of deck bottom, is used for locking adjusting nut, when preventing that the tied silk screw from screwing in adjusting nut, and adjusting nut rotation and affect the length of device.

Described limit screw is vertical with U-shaped dop, and the outside at the U-shaped dop of misalignment center, so the fastening cross bar that limit screw can be very firm.

The beneficial effects of the utility model are: after 1. this installs mutual assembly connection, formed an integral body, the lower end of water pipe and device is fastenedly connected with tied silk, the top of device is connected with sandbox by cross bar, the water pipe that makes, device, sandbox has formed integral body, when water pipe when casting is heated, the stress deformation power of its generation has been transferred to sandbox, has avoided the destruction of deformation force to sand mold, and this deformation force is not enough so that this device and sand mold generation deformation and displacement, so, this deformation force just can not make water pipe that any change occurs, and has namely guaranteed shape and the position of water pipe, has guaranteed again the shape of sand mold, therefore, the yield rate of strand is improved; 2. because the application of this device so that stress deformation is controlled, also just can replace copper tube with stainless steel tube, because stainless price is far below copper tube, so that manufacturing cost has obtained reducing greatly; 3. the utilization of this device can be used as pre-buried pipeline with stainless steel tube, and stainless corrosion resistance is far above copper tube, thus improved the mold use life-span, thus improved the competitiveness of enterprise.

Description of drawings:

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the cutaway view of Fig. 1;

Fig. 3 is that the utility model is fixed on the schematic diagram in the sandbox;

Fig. 4 is the schematic diagram of the utility model tight flask and water pipe.

The specific embodiment:

For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.

Shown in Fig. 1-4, a kind of pre-buried pipeline fastener, comprise that top is that U-shaped dop 21 bottoms are the deck 2 of screw rod 22, pass cross bar 3 in the middle of the U-shaped dop 21, U-shaped dop 21 tops screw in limit screw 1, limit screw 1 is vertical with U-shaped dop 21, and the outside at the U-shaped dop of misalignment 21 centers, limit screw 1 can be very firm fastening cross bar 3, screw rod 22 lower ends screw in the upper end of adjusting nut 5, adjusting nut 5 lower ends have tied silk screw 6 to screw in, and adjusting nut 5 upper ends and screw rod 22 intersections are provided with locking nut 4; Cross bar 3 is straight-bars, and it is inserted in the U-shaped dop 21 on deck 2 tops, is used for load on sandbox 7, and its length outline is longer than sandbox 7, the connection on being used for whole fastener and sandbox being connected; Limit screw 1 is spun in the screw at U-shaped dop 21 tops, being used for deck 2 and cross bar 3 is fastenedly connected, adjusting nut 5 upper ends are connected with the screw rod 22 of deck 2 bottoms, its up and down turn, can change the length of whole device, thereby realize and to regulate, the tied silk screw 6 that adjusting nut 5 lower ends screw in is convenient to fix connecting water pipe 8 with the tied silk 9 of φ 1mm, and can make between water pipe 8 and the device and form a slit, during casting, liquation can enter this slit, and the water pipe 8 that solidifies rear device below until liquation can be wrapped; Locking nut 4 is spun between the screw rod 22 and adjusting nut 5 of deck 2 bottoms, is used for locking adjusting nut 5, when preventing that tied silk screw 6 from screwing in adjusting nut 5, and adjusting nut 5 rotations and affect the length of device.

Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. pre-buried pipeline fastener, it is characterized in that: comprise that top is that U-shaped dop bottom is the deck of screw rod, pass cross bar in the middle of the described U-shaped dop, described U-shaped dop top screws in limit screw, described screw rod lower end screws in the upper end of adjusting nut, described adjusting nut lower end has the tied silk screw to screw in, and described adjusting nut upper end is provided with locking nut with the screw rod intersection.

2. pre-buried pipeline fastener according to claim 1, it is characterized in that: described limit screw is vertical with U-shaped dop, and the outside at the U-shaped dop of misalignment center.