Quick connection type end socket for polycrystalline silicon reduction furnace

Abstract

The utility model relates to a quick-connection end socket for a polycrystalline silicon reduction furnace. The quick-connection end socket is provided with a reduction furnace body, a reduction seal head is installed at the upper end of the reduction furnace body, a liquid outlet is formed in the reduction seal head, an upper ring wall is arranged on the reduction seal head, a lower ring wall is arranged on the reduction furnace body, a locking assembly is arranged on the upper ring wall and comprises a rotating shaft, a locking rod, a spring bolt and a positioning block, an upper rotating groove is formed in the upper ring wall, a through groove is formed in the upper ring wall, and a buffer groove is further formed in the upper ring wall. A sealing block is arranged on the upper ring wall, a through hole is formed in the sealing block, a reset spring is arranged in the buffer groove and arranged on the rotating shaft in a sleeving mode, the two ends of the reset spring act on the sealing block and the rotating shaft respectively, a lower rotating groove is formed in the lower ring wall, and a locking groove and a positioning hole are formed in the lower rotating groove. And the reduction furnace body and the reduction seal head are locked by driving the lock rod through the rotating shaft, matching the lock tongue with the lock groove and inserting and matching the positioning block with the positioning hole under the action of the reset spring. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of polysilicon reduction furnaces, in particular to a quick-connect head for a polysilicon reduction furnace. Background Art

[0002] The reduction furnace is the place where the hydrogen reduction reaction occurs. It is the equipment that directly produces polysilicon. The earliest reduction furnace was a quartz bell type. Due to the disadvantages of expensive equipment materials, low output and unsafety, it is now rare except in laboratories. Almost all the reduction furnaces used now are stainless steel reduction furnaces. Generally, the head of the polysilicon reduction furnace includes a jacket head and an inner head. The jacket head is arranged on the outside of the inner head, forming a jacket space between the two and there is no connection between the two. The jacket head and the inner head do not affect each other.

[0003] In the existing reduction furnaces, most of the head covers and the furnace body are fixedly installed or integrated. During the maintenance and servicing, the installation and disassembly require a lot of manpower and material resources to separate the head cover from the furnace body, which greatly hinders the maintenance and servicing of the furnace body and is very inconvenient. Therefore, it is necessary to develop a reduction furnace with a detachable head cover and a furnace body. Utility Model Content

[0004] The utility model aims to provide a quick-connect head for a polysilicon reduction furnace, which has an ingenious structure and can realize quick installation and disassembly between the reduction head and the reduction furnace body, and is convenient and practical.

[0005] The technical solution for achieving the purpose of the utility model is: the utility model has a reduction furnace body; a reduction head is installed at the upper end of the reduction furnace body, the reduction head is provided with a liquid outlet, the reduction head is provided with an upper ring wall, the reduction furnace body is provided with a lower ring wall corresponding to the upper ring wall, the lower ring wall is arranged at the upper end of the outer wall of the reduction furnace body, the upper ring wall is provided with a locking assembly that can lock the reduction furnace body and the reduction head, the locking assembly includes a rotating shaft rotatably arranged on the upper ring wall, a locking rod fixed on the rotating shaft, a locking tongue fixed on the locking rod, and a positioning block arranged on the locking tongue, the axis of the rotating shaft is arranged perpendicular to the axis of the reduction furnace body, the upper ring wall is provided with an upper rotating groove, the locking rod and the locking tongue are both located in the upper rotating groove, the locking tongue is located at an end of the locking rod away from the locking rod, and the positioning block is located at the locking tongue The side of the upper ring wall is provided with a through groove for the rotating shaft to pass through, and the upper ring wall is also provided with a buffer groove connected with the outer wall of the upper ring wall, and the two ends of the through groove are respectively connected with the upper rotating groove and the buffer groove, and the upper ring wall is provided with a sealing block that can close the buffer groove, and the sealing block is provided with a through hole for the rotating shaft to pass through, and a return spring is provided in the buffer groove, and the return spring is sleeved on the rotating shaft, and the two ends of the return spring act on the sealing block and the rotating shaft respectively, and the lower ring wall is provided with a lower rotating groove for the locking rod to be rotated into, and the lower rotating groove is provided with a locking groove for the locking tongue to be inserted, and a positioning hole for the positioning block to be inserted, and the reduction furnace body and the reduction head are locked by the driving of the locking rod by the rotating shaft, the cooperation of the locking tongue and the locking groove, and the plug-in cooperation of the positioning block and the positioning hole under the action of the return spring.

[0006] Furthermore, a stop plate is fixedly provided on the above-mentioned rotating shaft, the stop plate is located in the buffer groove, the stop plate is provided with a circular slide groove, and a limit slider slidably arranged in the circular slide groove, and the two ends of the return spring are respectively fixedly connected to the sealing block and the limit slider.

[0007] Furthermore, an initial locking hole adapted to the positioning block in the initial state is provided in the upper rotating groove, and the locking rod is positioned in the upper rotating groove by the plug-in cooperation between the positioning block on the lock tongue and the initial locking hole and the continuous force of the reset spring.

[0008] Furthermore, a plurality of positioning blocks distributed along the circumference of the axis of the upper ring wall are provided on the lower end surface of the upper ring wall, and installation grooves are provided on both sides of each positioning block, and side pressure blocks are slidably arranged in each installation groove, and a compression spring is provided in each installation groove, and the two ends of the compression spring are respectively fixedly connected to the bottom of the installation groove and the side pressure block, and a guide surface is provided at the lower end of each side pressure block, and a positioning slot for inserting the positioning block is provided on the lower ring wall, and each positioning block is inserted into the positioning slot through the installation guide of the guide surface on each side pressure block, and is pressed against the inner wall of the positioning slot by the continuous force of each compression spring and the side pressure block.

[0009] Furthermore, a positioning ring block is fixedly provided at the bottom of the reduction head, a positioning ring groove adapted to the positioning ring block is provided at the upper end of the reduction furnace body, and the reduction head is positioned and installed on the reduction furnace body by plug-in cooperation between the positioning ring block and the positioning ring groove.

[0010] Furthermore, a rotating handle is fixedly provided on one end of the rotating shaft located outside the upper ring wall.

[0011] The utility model has positive effects: (1) the utility model arranges an upper ring wall and a lower ring wall on the reduction head and the reduction furnace body, and arranges a locking assembly on the upper ring wall to connect with the lower ring wall, and gradually connects through locking, the rotating shaft drives the locking rod and the locking tongue to enter the lower rotating groove and the locking groove to connect with the lower ring wall, the continuous force of the reset spring on the rotating shaft and the cooperation of the positioning block and the positioning hole ensure the stable and firm connection between the upper ring wall and the lower ring wall, thereby realizing the rapid installation and disassembly of the upper ring wall and the lower ring wall parts, and the installation and disassembly of the sealing block also facilitates the installation and replacement of the reset spring, effectively solving the problem of the prior art that the maintenance and maintenance of the reduction furnace requires the time-consuming and labor-intensive separation of the cover and the furnace body, greatly saving the time and efficiency of the maintenance and maintenance of the reduction furnace, and having an ingenious structure, convenient and practical.

[0012] (2) The utility model arranges a stop plate on the rotating shaft, a circular slide groove on the stop plate, and a limit slider on the circular slide groove. The two ends of the reset spring are respectively connected to the sealing block and the limit slider. This can not only ensure the normal rotation of the rotating shaft, but also ensure that the reset spring will not be stuck due to the rotational torque in the buffer groove, thereby ensuring the normal use of the reset spring, which is stable and practical.

[0013] (3) The utility model provides an initial clamping hole on the upper rotating groove, and the positioning block is engaged with the initial clamping hole in the initial state through the continuous force of the reset spring, so as to ensure the position of the locking rod and the locking tongue in the initial state, prevent the locking rod and the locking tongue from rotating freely and affecting the installation of the reduction head and the reduction furnace body, and is safe and practical.

[0014] (4) The utility model provides a plurality of positioning blocks on the lower end surface of the upper ring wall, and side pressure blocks on the positioning blocks. The plug-in cooperation between the positioning blocks and the positioning slots ensures the firmness of the connection between the upper ring wall and the lower ring wall. At the same time, the driving of the side pressure blocks by the return springs on the side pressure blocks also ensures the firmness of the insertion of the positioning blocks in the positioning slots. The guide surfaces also ensure the insertion guidance of the positioning blocks when entering the positioning slots, thereby avoiding jamming during the insertion process. The utility model is smooth and practical.

[0015] (5) The utility model provides a positioning ring block on the reduction head and a positioning ring groove on the reduction furnace body. The reduction head is plugged into the reduction furnace body through the cooperation of the positioning ring block and the positioning ring groove, thereby further ensuring the overall coaxiality of the reduction head and the reduction furnace body and the firmness of the connection, which is convenient and practical.

[0016] (6) The utility model provides a handle on the rotating shaft to facilitate the operator to drive the rotating shaft to rotate and pull the rotating shaft, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to specific embodiments and in conjunction with the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of a quick-connect head for a polysilicon reduction furnace in the utility model;

[0019] Figure 2 It is a cross-sectional view of the overall structure of the upper transfer trough and the lower transfer trough in the utility model;

[0020] Figure 3 It is a cross-sectional view of the overall structure of the quick-connect head for the polysilicon reduction furnace in the utility model;

[0021] Figure 4 for Figure 3 The enlarged view of point B in the middle;

[0022] Figure 5 It is a schematic diagram of the overall structure of the multi-stop plate in the utility model;

[0023] Figure 6 for Figure 3 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0024] See Figures 1 to 6The utility model has a reduction furnace body 2; a reduction head 1 is installed on the upper end of the reduction furnace body 2, a liquid outlet 11 is provided on the reduction head 1, an upper ring wall 3 is provided on the reduction head 1, a lower ring wall 4 corresponding to the upper ring wall 3 is provided on the reduction furnace body 2, the lower ring wall 4 is arranged at the upper end of the outer wall of the reduction furnace body 2, a locking assembly 5 that can lock the reduction furnace body 2 and the reduction head 1 is provided on the upper ring wall 3, and the locking assembly 5 includes a locking assembly 5 that is rotatably arranged on the upper ring wall 3. The rotating shaft 51 on the wall 3, the locking rod 52 fixed on the rotating shaft 51, the locking tongue 53 fixed on the locking rod 52, and the positioning block 54 arranged on the locking tongue 53, the axis of the rotating shaft 51 is arranged perpendicular to the axis of the reduction furnace body 2, the upper rotating groove 31 is arranged on the upper ring wall 3, the locking rod 52 and the locking tongue 53 are both located in the upper rotating groove 31, the locking tongue 53 is located on the end of the locking rod 52 away from the locking rod 52, the positioning block 54 is located on the side of the locking tongue 53, the upper ring wall 3 The upper ring wall 3 is provided with a through groove for the shaft 51 to pass through, and the upper ring wall 3 is also provided with a buffer groove 34 connected to the outer wall of the upper ring wall 3. The two ends of the through groove are respectively connected to the upper rotating groove 31 and the buffer groove 34. The upper ring wall 3 is provided with a sealing block 33 that can close the buffer groove 34. The sealing block 33 is provided with a through hole for the shaft 51 to pass through. A return spring 35 is provided in the buffer groove 34. The return spring 35 is sleeved on the shaft 51. The two ends of the return spring 35 are connected to the upper rotating groove 31 and the buffer groove 34. The ends act on the sealing block 33 and the rotating shaft 51 respectively. The lower ring wall 4 is provided with a lower rotating groove 41 for the locking rod 52 to rotate into. The lower rotating groove 41 is provided with a locking groove for the locking tongue 53 to be inserted, and a positioning hole 43 for the positioning block 54 to be inserted. The reduction furnace body 2 and the reduction head 1 are locked by the driving of the locking rod 52 by the rotating shaft 51, the cooperation of the locking tongue 53 and the locking groove, and the plug-in cooperation of the positioning block 54 and the positioning hole 43 under the action of the reset spring 35.

[0025] A stop plate 36 is fixedly provided on the rotating shaft 51, and the stop plate 36 is located in the buffer groove 34. The stop plate 36 is provided with a circular slide groove 361 and a limit slider 362 slidably set in the circular slide groove 361. The two ends of the return spring 35 are fixedly connected to the sealing block 33 and the limit slider 362 respectively.

[0026] The upper rotating groove 31 is provided with an initial locking hole 32 adapted to the positioning block 54 in the initial state. The locking rod 52 is positioned in the upper rotating groove 31 by the plug-in cooperation between the positioning block 54 on the locking tongue 53 and the initial locking hole 32 and the continuous force of the reset spring 35.

[0027] A plurality of positioning blocks 37 distributed along the circumference of the axis of the upper ring wall 3 are provided on the lower end surface of the upper ring wall 3, and mounting grooves 371 are provided on both sides of each positioning block 37, and side pressure blocks 373 are slidably arranged in each mounting groove 371, and compression springs 372 are provided in each mounting groove 371, and the two ends of the compression springs 372 are respectively fixedly connected to the bottom of the mounting groove 371 and the side pressure blocks 373, and the lower end of each side pressure block 373 is provided with a guide surface 374, and a positioning slot 44 for the positioning block 37 to be inserted is provided on the lower ring wall 4, and each positioning block 37 is inserted into the positioning slot 44 through the installation guide of the guide surface 374 on each side pressure block 373, and is pressed against the inner wall of the positioning slot 44 by the continuous force of each compression spring 372 and the side pressure block 373.

[0028] A positioning ring block 12 is fixedly provided at the bottom of the reduction head 1, and a positioning ring groove 21 adapted to the positioning ring block 12 is provided at the upper end of the reduction furnace body 2. The reduction head 1 is positioned and installed on the reduction furnace body 2 by plugging and fitting the positioning ring block 12 and the positioning ring groove 21.

[0029] A rotating handle 50 is fixedly provided on one end of the rotating shaft 51 located outside the upper ring wall 3 .

[0030] Working principle of the utility model: during the use of the utility model, the reduction head 1 is connected to the reduction furnace body 2. During the connection process, the positioning ring block 12 at the bottom of the reduction head 1 is plugged into the positioning ring groove 21 at the upper end of the reduction furnace body 2, and the positioning plugs 37 on each upper ring wall 3 begin to be inserted into the corresponding positioning slots 44. In the process of plugging, the guide surface 374 on each side pressure block 373 guides the side pressure block 373 into the positioning slot 44, and is pressed against the inner wall of the positioning slot 44 under the continuous action of the compression spring 372 in each mounting groove 371, and then the rotating shaft 51 is pulled out through the handle 50 on the rotating shaft 51, and the positioning block 54 is driven to disengage from the initial clamping hole 32 at the initial position, and then the rotating shaft 51 is rotated, and the rotating shaft 51 drives the locking rod 52 and the locking tongue 53 to start rotating. The locking rod 52 and the locking tongue 53 respectively enter the lower rotating groove 41 and the locking groove under the rotation of the rotating shaft 51. After the locking tongue 53 enters the locking groove, the positioning block 54 enters the positioning hole 43 under the continuous action of the reset spring 35, thereby realizing the rapid locking of the reduction furnace body 2 and the reduction head 1, and the positioning block 54 is disengaged from the positioning hole 43 when disengaging, and the positioning block 54 is fixed after the rotating shaft 51 is reversed, thereby realizing the rapid installation and disassembly of the reduction furnace body 2 and the reduction head 1, effectively solving the problem of the inconvenience caused by the head cover and the furnace body of the reduction furnace being an integrated part in the prior art, and realizing the rapid installation and disassembly of the reduction furnace body 2 and the reduction head 1 through the locking assembly 5, thereby facilitating the operator to maintain and clean the reduction furnace, and the structure is ingenious, convenient and practical.

[0031] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-connect head for a polysilicon reduction furnace, having a reduction furnace body; the characteristics are: A reduction head is installed at the upper end of the reduction furnace body, and a liquid outlet is provided on the reduction head. An upper ring wall is provided on the reduction head, and a lower ring wall corresponding to the upper ring wall is provided on the reduction furnace body. The lower ring wall is arranged at the upper end of the outer wall of the reduction furnace body, and a locking assembly that can lock the reduction furnace body and the reduction head is provided on the upper ring wall. The locking assembly includes a rotating shaft rotatably arranged on the upper ring wall, a locking rod fixed on the rotating shaft, a locking tongue fixed on the locking rod, and a positioning block arranged on the locking tongue. The axis of the rotating shaft is arranged perpendicular to the axis of the reduction furnace body, an upper rotating groove is provided on the upper ring wall, and the locking rod and the locking tongue are both located in the upper rotating groove. The locking tongue is located at an end of the locking rod away from the locking rod, and the positioning block is located on the side of the locking tongue. The upper ring wall is provided with a A through groove through which the rotating shaft passes, and a buffer groove connected to the outer wall of the upper ring wall is also provided in the upper ring wall, and the two ends of the through groove are respectively connected to the upper rotating groove and the buffer groove, and the upper ring wall is provided with a sealing block that can close the buffer groove, and the sealing block is provided with a through hole for the rotating shaft to pass through, and a return spring is provided in the buffer groove, and the return spring is sleeved on the rotating shaft, and the two ends of the return spring act on the sealing block and the rotating shaft respectively, and the lower ring wall is provided with a lower rotating groove into which a locking rod can be rotated, and the lower rotating groove is provided with a locking groove for inserting a locking tongue, and a positioning hole for inserting a positioning block, and the reduction furnace body and the reduction head are locked by driving the locking rod by the rotating shaft, cooperating the locking tongue with the locking groove, and plug-in cooperation of the positioning block and the positioning hole under the action of the return spring.

2. The quick-connect end cap for a polysilicon reduction furnace according to claim 1, characterized in that: A stop plate is fixedly provided on the rotating shaft, the stop plate is located in the buffer groove, the stop plate is provided with a circular slide groove and a limit slider slidably arranged in the circular slide groove, and the two ends of the return spring are fixedly connected to the sealing block and the limit slider respectively.

3. The quick-connect end cap for a polysilicon reduction furnace according to claim 2, characterized in that: An initial locking hole adapted to the positioning block in the initial state is provided in the upper rotating groove, and the locking rod is positioned in the upper rotating groove by the plug-in cooperation between the positioning block on the lock tongue and the initial locking hole and the continuous force of the reset spring.

4. The quick-connect end cap for a polysilicon reduction furnace according to claim 3, characterized in that: A plurality of positioning blocks distributed along the circumference of the axis of the upper ring wall are provided on the lower end surface of the upper ring wall, and installation grooves are provided on both sides of each positioning block, and side pressure blocks are slidably arranged in each installation groove, and a compression spring is provided in each installation groove, and the two ends of the compression spring are respectively fixedly connected to the bottom of the installation groove and the side pressure block, and a guide surface is provided at the lower end of each side pressure block, and a positioning slot for inserting the positioning block is provided on the lower ring wall, and each positioning block is inserted into the positioning slot through the installation guide of the guide surface on each side pressure block, and is pressed against the inner wall of the positioning slot by the continuous force of each compression spring and the side pressure block.

5. The quick-connect end cap for a polysilicon reduction furnace according to claim 4, characterized in that: A positioning ring block is fixedly provided at the bottom of the reduction head, a positioning ring groove adapted to the positioning ring block is provided at the upper end of the reduction furnace body, and the reduction head is positioned and installed on the reduction furnace body by plugging and fitting the positioning ring block and the positioning ring groove.

6. The quick-connect end cap for a polysilicon reduction furnace according to claim 5, characterized in that: A rotating handle is fixedly provided on one end of the rotating shaft located outside the upper ring wall.

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