Novel pointer type mechanical instrument header device
By designing a new pointer mechanical instrument head device, the combined structure of the upper bracket, balanced cross, movable coil, magnetic inner core, magnetic outer core and magnet is solved, and the existing watch head is complicated to assemble and the use of glue is not environmentally friendly, achieving higher accuracy and stability, simplifying the production process and reducing costs.
Patent Information
- Application Number
- CN202411820100.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-03-07
AI Technical Summary
The assembly process of existing mechanical instrument heads is complicated and time-consuming. The use of glue is not conducive to environmental protection and health. It is easy to degummate under extreme conditions or after long-term use, resulting in inaccurate accuracy, easy shaking, and even blocking or silly meters.
A new type of pointer mechanical instrument head device is designed, which adopts a combined structure of the upper bracket, the lower bracket, the balance cross, the movable coil, the magnetic inner core, the magnetic outer core and the magnet. Through the combination of these components, the stability and service life of the watch head are improved, and the production process is simplified and the working hours are reduced.
It achieves higher accuracy and stability of the watch head, simplifies production processes, improves production efficiency, reduces material costs, and eliminates the need for glue, which is in line with the green, environmentally friendly and healthy production concept.
Smart Images
Figure CN119573787A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of mechanical instruments, in particular to a novel pointer-type mechanical instrument head device. Background Art
[0002] The existing meter head is composed of a metal base, a magnet, a magnet fixing ring, a magnet fixing cover, a magnetic core, an iron core seat, a meter head bracket, etc. Among them, the metal base, the magnet, the magnet fixing ring, and the magnet fixing cover are fixed by manual gluing, and then left to stand for more than two days for the glue to completely solidify before the next assembly operation can be carried out. The manual work is complicated and time-consuming, which greatly affects the production efficiency. The use of glue is not conducive to environmental protection and health. At the same time, under extreme conditions or after several years of use, there will be a risk of degumming.
[0003] The prior art uses a customized C-shaped magnet, which must be magnetized with C-shaped pure iron before use. The material cost is high and labor is wasted. Furthermore, the magnet, the magnetic core and the movable coil are not on the same structural plane, and the accuracy cannot be adjusted. In addition, the pointer has inaccurate accuracy, too small linear damping, and is prone to shaking, and even jamming and freezing of the meter may occur.
[0004] To this end, in order to improve the accuracy of the meter header and at the same time avoid the meter header from degumming, getting stuck, or becoming unusable under extreme conditions or after several years of use, the present invention provides a new design solution that solves the above problems while also simplifying the production process, improving production efficiency, and reducing material costs. Summary of the invention
[0005] The purpose of the present invention is to provide a novel pointer-type mechanical instrument head device to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above object, the present invention provides the following technical solutions: a novel pointer-type mechanical instrument head device, comprising a head upper bracket, a head lower bracket, a balance cross, a movable coil, a magnetic inner core, a magnetic outer core and a magnet; A connecting cap is provided at the bottom end of the upper bracket of the meter head, and a connecting plug is provided at the top end of the lower bracket of the meter head; The upper bracket of the meter head and the lower bracket of the meter head are connected to form a support frame, and a balance cross, a movable coil, a magnetic inner iron core, a magnetic outer iron core and a magnet are arranged in the support frame.
[0007] Preferably, the magnetic outer core is arranged in the lower bracket of the meter head, the magnetic inner core is arranged in the lower bracket of the meter head, and the magnetic outer core is sleeved on the outside of the magnetic inner core, and the magnetic outer core and the magnetic inner core form a magnetic core.
[0008] Preferably, a cylindrical through slot is provided through the center of the magnetic inner core, and an opening is provided on one side of the cylindrical through slot; inner inclusions are symmetrically provided on both sides of the opening.
[0009] Preferably, the magnetic outer iron core is configured to be C-shaped, and outer inclusions are symmetrically provided at both ends of the magnetic outer iron core.
[0010] Preferably, the outer inclusion body and the inner inclusion body form an inclusion body, a inclusion cavity is formed in the inclusion body, and a magnet is arranged in the inclusion cavity.
[0011] Preferably, two magnets are provided.
[0012] Preferably, a movable coil is provided on the magnetic conductive core, and the movable coil is connected to the balancing cross.
[0013] Preferably, the connection cap and the connection plug are arranged at corresponding positions and have the same number of groups, and a stabilizing thread groove is arranged at the end of the connection plug, and a mounting circular hole is penetrated through the connection cap.
[0014] Compared with the prior art, the present invention has the following beneficial effects: The novel mechanical meter head device designed in the present invention is mainly composed of a meter head bracket, a meter head lower bracket, a balance cross, a movable coil, a magnetic inner iron core, a magnetic outer iron core and a magnet. On the one hand, through the coordinated use of the movable coil, the magnetic inner iron core, the magnetic outer iron core and the magnet, the stability and service life of the meter head can be improved, the meter needle can be more sensitive, the accuracy is higher, and the accuracy is adjustable; the production process is simplified, the working hours are reduced, the production efficiency is improved, and the cost is reduced; furthermore, the installation between the meter head bracket, the meter head lower bracket and the magnet and the magnetic inner iron core and the magnetic outer iron core does not require the use of glue for positioning, and glue and other materials are discarded, and the green, environmentally friendly and healthy production concept is followed to improve the assembly work efficiency on the basis of environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structural connection of the mechanical instrument head device of the present invention; Figure 2 It is a top view of the structure connection of the mechanical instrument head device of the present invention; Figure 3 It is a schematic diagram of the explosion of the structure connection of the mechanical instrument head device of the present invention; Figure 4 It is a front view of the structure connection of the mechanical instrument head device of the present invention; Figure 5 For the present invention Figure 4 Sectional view of the structure connection AA.
[0016] In the figure: the upper bracket 1 of the meter head, the lower bracket 2 of the meter head, the balance cross 3, the movable coil 4, the magnetic inner iron core 5, the magnetic outer iron core 6, and the magnet 7. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.
[0018] Example 1: Please refer to Figure 1-Figure 5 A new pointer-type mechanical instrument head device comprises a head upper bracket 1, a head lower bracket 2, a balance cross 3, a movable coil 4, a magnetic inner core 5, a magnetic outer core 6 and a magnet 7; a connecting cap is arranged at the bottom end of the head bracket 1, and a connecting plug is arranged at the top of the head lower bracket 2; and the connecting cap corresponds to the setting position of the connecting plug, the setting number of groups is the same, and the two are adapted to be plugged in; and a stabilizing thread groove is arranged at the end of the connecting plug, and a mounting circular hole is penetrated in the connecting cap; the head upper bracket 1 and the head lower bracket 2 are connected to form a supporting frame, and the supporting frame is provided with a balance cross 3, a movable coil 4, a magnetic inner core 5, a magnetic outer core 6 and a magnet 7.
[0019] That is, when connecting the upper bracket 1 of the meter header and the lower bracket 2 of the meter header, directly put the connecting cap on the bottom side of the bracket 1 of the meter header onto the connecting plug on the top of the lower bracket 2 of the meter header. At the same time, align the fixing threaded groove in the connecting plug with the mounting circular hole in the connecting cap, and finally fix it by tightening the screws.
[0020] Example 2: Based on Example 1, please refer to Figure 3 and Figure 5 Here, the magnetic outer core 6 is arranged in the lower bracket 2 of the meter head, the magnetic inner core 5 is arranged in the lower bracket 2 of the meter head, and the magnetic outer core 6 is sleeved on the outside of the magnetic inner core 5, and the magnetic outer core 6 and the magnetic inner core 5 form a magnetic core.
[0021] Here, a cylindrical through groove is provided through the center position of the magnetic inner iron core 5, and an opening is provided on one side of the cylindrical through groove; inner inclusions are symmetrically provided on both sides of the opening; here, the magnetic outer iron core 6 is configured as a C-shape, and outer inclusions are symmetrically provided at both ends of the magnetic outer iron core 6.
[0022] The outer inclusion body and the inner inclusion body here form an inclusion body, and an inclusion cavity is formed in the inclusion body, and a magnet 7 is arranged in the inclusion cavity; two magnets 7 are arranged here; a movable coil 4 is arranged on the magnetic conductive core, and the movable coil 4 is connected to the balance cross 3.
[0023] The upper bracket 1 and the lower bracket 2 of the meter head are used to tightly fix the magnetic inner core 5 and the magnetic outer core 6, so that the structure is more stable; the same polarity surfaces (repulsive surfaces) of the two magnets 7 are relatively installed in the inclusion body formed by the magnetic inner core 5 and the magnetic outer core 6, so that a uniformly distributed magnetic field is generated in the middle of the magnetic core. After the movable coil 4 is energized, the coil will also generate a magnetic field of corresponding size according to the current size. Driven by electromagnetic induction, the movable coil 4 swings evenly, driving the instrument pointer to swing to the corresponding scale.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A new pointer-type mechanical instrument head device, characterized in that: It comprises a meter head upper bracket (1), a meter head lower bracket (2), a balance cross (3), a movable coil (4), a magnetic inner iron core (5), a magnetic outer iron core (6) and a magnet (7); A connecting cap is provided at the bottom end of the upper bracket (1) of the meter head, and a connecting plug is provided at the top end of the lower bracket (2) of the meter head; The meter head upper bracket (1) and the meter head lower bracket (2) are butt-jointed to form a support frame, and a balancing cross (3), a movable coil (4), a magnetic inner iron core (5), a magnetic outer iron core (6) and a magnet (7) are arranged in the support frame.
2. A new pointer-type mechanical instrument head device according to claim 1, characterized in that: The magnetic outer core (6) is arranged in the lower bracket (2) of the meter head, the magnetic inner core (5) is arranged in the lower bracket (2) of the meter head, and the magnetic outer core (6) is sleeved on the outside of the magnetic inner core (5), and the magnetic outer core (6) and the magnetic inner core (5) together form a magnetic core.
3. The novel pointer-type mechanical instrument head device according to claim 1 is characterized in that: A cylindrical through slot is provided through the center of the magnetic inner iron core (5), and an opening is provided on one side of the cylindrical through slot; inner inclusions are symmetrically provided on both sides of the opening.
4. The novel pointer-type mechanical instrument head device according to claim 1 is characterized in that: The magnetic outer iron core (6) is arranged in a C shape, and outer inclusions are symmetrically arranged at two ends of the magnetic outer iron core (6).
5. The novel pointer-type mechanical instrument head device according to claim 4 is characterized in that: The outer inclusion body and the inner inclusion body together form an inclusion body, a inclusion cavity is formed in the inclusion body, and a magnet (7) is arranged in the inclusion cavity.
6. The novel pointer-type mechanical instrument head device according to claim 1 is characterized in that: Two magnets (7) are provided.
7. The novel pointer-type mechanical instrument head device according to claim 2 is characterized in that: A movable coil (4) is arranged on the magnetic conductive core, and the movable coil (4) is connected to the balancing cross (3).
8. The novel pointer-type mechanical instrument head device according to claim 1 is characterized in that: The connection cap and the connection plug are arranged at corresponding positions and in the same number of groups, and a stabilizing thread groove is arranged at the end of the connection plug, and a mounting circular hole is penetrated through the connection cap.